Lookup for vulnerable packages by Package URL.

GET /api/packages/75335?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/packages/75335?format=api",
    "purl": "pkg:pypi/matrix-synapse@1.119.0rc2",
    "type": "pypi",
    "namespace": "",
    "name": "matrix-synapse",
    "version": "1.119.0rc2",
    "qualifiers": {},
    "subpath": "",
    "is_vulnerable": true,
    "next_non_vulnerable_version": "1.152.1",
    "latest_non_vulnerable_version": "1.152.1",
    "affected_by_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/47964?format=api",
            "vulnerability_id": "VCID-361n-7ar1-fqgr",
            "summary": "Synapse's invalid device keys degrade federation functionality\nLack of validation for device keys in Synapse before 1.138.3 and in Synapse 1.139.0 allow an attacker registered on the victim homeserver to degrade federation functionality, unpredictably breaking outbound federation to other homeservers.",
            "references": [
                {
                    "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-61672.json",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "5.4",
                            "scoring_system": "cvssv3",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L"
                        }
                    ],
                    "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-61672.json"
                },
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2025-61672",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00046",
                            "scoring_system": "epss",
                            "scoring_elements": "0.14558",
                            "published_at": "2026-06-08T12:55:00Z"
                        },
                        {
                            "value": "0.00046",
                            "scoring_system": "epss",
                            "scoring_elements": "0.14676",
                            "published_at": "2026-06-05T12:55:00Z"
                        },
                        {
                            "value": "0.00046",
                            "scoring_system": "epss",
                            "scoring_elements": "0.14682",
                            "published_at": "2026-06-06T12:55:00Z"
                        },
                        {
                            "value": "0.00046",
                            "scoring_system": "epss",
                            "scoring_elements": "0.1464",
                            "published_at": "2026-06-07T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2025-61672"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "5.3",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse/commit/26aaaf9e48fff80cf67a20c691c75d670034b3c1",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "5.3",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-10-15T16:10:58Z/"
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse/commit/26aaaf9e48fff80cf67a20c691c75d670034b3c1"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse/commit/7069636c2d6d1ef2022287addf3ed8b919ef2740",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "5.3",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-10-15T16:10:58Z/"
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse/commit/7069636c2d6d1ef2022287addf3ed8b919ef2740"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse/pull/17097",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "5.3",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-10-15T16:10:58Z/"
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse/pull/17097"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse/releases/tag/v1.138.3",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "5.3",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-10-15T16:10:58Z/"
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse/releases/tag/v1.138.3"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse/releases/tag/v1.138.4",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "5.3",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse/releases/tag/v1.138.4"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse/releases/tag/v1.139.1",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "5.3",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-10-15T16:10:58Z/"
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse/releases/tag/v1.139.1"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse/releases/tag/v1.139.2",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "5.3",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse/releases/tag/v1.139.2"
                },
                {
                    "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1117854",
                    "reference_id": "1117854",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1117854"
                },
                {
                    "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2402525",
                    "reference_id": "2402525",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2402525"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61672",
                    "reference_id": "CVE-2025-61672",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "5.3",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61672"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-fh66-fcv5-jjfr",
                    "reference_id": "GHSA-fh66-fcv5-jjfr",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "MODERATE",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/advisories/GHSA-fh66-fcv5-jjfr"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse/security/advisories/GHSA-fh66-fcv5-jjfr",
                    "reference_id": "GHSA-fh66-fcv5-jjfr",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "MODERATE",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        },
                        {
                            "value": "5.3",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-10-15T16:10:58Z/"
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse/security/advisories/GHSA-fh66-fcv5-jjfr"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/70763?format=api",
                    "purl": "pkg:pypi/matrix-synapse@1.138.3",
                    "is_vulnerable": true,
                    "affected_by_vulnerabilities": [
                        {
                            "vulnerability": "VCID-44n9-z1mc-fydq"
                        },
                        {
                            "vulnerability": "VCID-57xv-u1be-mfez"
                        }
                    ],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.138.3"
                },
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/70764?format=api",
                    "purl": "pkg:pypi/matrix-synapse@1.139.1",
                    "is_vulnerable": true,
                    "affected_by_vulnerabilities": [
                        {
                            "vulnerability": "VCID-44n9-z1mc-fydq"
                        },
                        {
                            "vulnerability": "VCID-57xv-u1be-mfez"
                        }
                    ],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.139.1"
                }
            ],
            "aliases": [
                "CVE-2025-61672",
                "GHSA-fh66-fcv5-jjfr"
            ],
            "risk_score": 3.1,
            "exploitability": "0.5",
            "weighted_severity": "6.2",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-361n-7ar1-fqgr"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/56299?format=api",
            "vulnerability_id": "VCID-3gx5-a6ja-eyhc",
            "summary": "Synapse allows unsupported content types to lead to memory exhaustion\nIn Synapse before 1.120.1, `multipart/form-data` requests can in certain configurations transiently increase memory consumption beyond expected levels while processing the request, which can be used to amplify denial of service attacks.",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2024-52805",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.01089",
                            "scoring_system": "epss",
                            "scoring_elements": "0.78282",
                            "published_at": "2026-06-08T12:55:00Z"
                        },
                        {
                            "value": "0.01089",
                            "scoring_system": "epss",
                            "scoring_elements": "0.78293",
                            "published_at": "2026-06-07T12:55:00Z"
                        },
                        {
                            "value": "0.01089",
                            "scoring_system": "epss",
                            "scoring_elements": "0.78304",
                            "published_at": "2026-06-06T12:55:00Z"
                        },
                        {
                            "value": "0.01089",
                            "scoring_system": "epss",
                            "scoring_elements": "0.78296",
                            "published_at": "2026-06-05T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2024-52805"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "8.2",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse"
                },
                {
                    "reference_url": "https://github.com/twisted/twisted/issues/4688#issuecomment-1167705518",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "8.2",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "8.2",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-12-03T19:04:05Z/"
                        }
                    ],
                    "url": "https://github.com/twisted/twisted/issues/4688#issuecomment-1167705518"
                },
                {
                    "reference_url": "https://github.com/twisted/twisted/issues/4688#issuecomment-2385711609",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "8.2",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
                        },
                        {
                            "value": "8.2",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-12-03T19:04:05Z/"
                        }
                    ],
                    "url": "https://github.com/twisted/twisted/issues/4688#issuecomment-2385711609"
                },
                {
                    "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1088995",
                    "reference_id": "1088995",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1088995"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2024-52805",
                    "reference_id": "CVE-2024-52805",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "8.2",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-52805"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-rfq8-j7rh-8hf2",
                    "reference_id": "GHSA-rfq8-j7rh-8hf2",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://github.com/advisories/GHSA-rfq8-j7rh-8hf2"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse/security/advisories/GHSA-rfq8-j7rh-8hf2",
                    "reference_id": "GHSA-rfq8-j7rh-8hf2",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "8.2",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
                        },
                        {
                            "value": "8.2",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-12-03T19:04:05Z/"
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse/security/advisories/GHSA-rfq8-j7rh-8hf2"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/83451?format=api",
                    "purl": "pkg:pypi/matrix-synapse@1.120.1",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.120.1"
                }
            ],
            "aliases": [
                "CVE-2024-52805",
                "GHSA-rfq8-j7rh-8hf2"
            ],
            "risk_score": 4.0,
            "exploitability": "0.5",
            "weighted_severity": "8.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-3gx5-a6ja-eyhc"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/91997?format=api",
            "vulnerability_id": "VCID-44n9-z1mc-fydq",
            "summary": "Synapse pagination Denial of Service\n### Impact\n\nIn federated rooms, malicious homeservers can craft room events in such a way that prevents Synapse from providing full history to paginating clients.\n\nClients could therefore fail to display room history.\n\n### Patches\n\nUpdate to Synapse 1.152.1 or later.\n\n### Workarounds\n\nThere are no known workarounds for this issue.\n\n### Identifiers\n\n- ELEMENTSEC-2025-1636\n\n### For more information\n\nIf you have any questions or comments about this advisory, please email us at [security at element.io](mailto:security@element.io).",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-45076",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00091",
                            "scoring_system": "epss",
                            "scoring_elements": "0.25833",
                            "published_at": "2026-06-05T12:55:00Z"
                        },
                        {
                            "value": "0.00091",
                            "scoring_system": "epss",
                            "scoring_elements": "0.25719",
                            "published_at": "2026-06-08T12:55:00Z"
                        },
                        {
                            "value": "0.00091",
                            "scoring_system": "epss",
                            "scoring_elements": "0.25777",
                            "published_at": "2026-06-07T12:55:00Z"
                        },
                        {
                            "value": "0.00091",
                            "scoring_system": "epss",
                            "scoring_elements": "0.25824",
                            "published_at": "2026-06-06T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-45076"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "6.9",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse/security/advisories/GHSA-6qf2-7x63-mm6v",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "2.7",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        },
                        {
                            "value": "5.1",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "6.9",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-06-02T14:51:22Z/"
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse/security/advisories/GHSA-6qf2-7x63-mm6v"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-6qf2-7x63-mm6v",
                    "reference_id": "GHSA-6qf2-7x63-mm6v",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "MODERATE",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/advisories/GHSA-6qf2-7x63-mm6v"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/75426?format=api",
                    "purl": "pkg:pypi/matrix-synapse@1.152.1",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.152.1"
                }
            ],
            "aliases": [
                "CVE-2026-45076",
                "CVE-2026-45076,",
                "GHSA-6qf2-7x63-mm6v",
                "PYSEC-2026-194"
            ],
            "risk_score": 3.1,
            "exploitability": "0.5",
            "weighted_severity": "6.2",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-44n9-z1mc-fydq"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/51318?format=api",
            "vulnerability_id": "VCID-57xv-u1be-mfez",
            "summary": "Synapse is an open source Matrix homeserver implementation. Prior to 1.152.1, local authenticated users can cause Synapse to starve other requests of CPU and lead to other requests failing, causing other users to be denied service. This vulnerability is fixed in 1.152.1.",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-45078",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00014",
                            "scoring_system": "epss",
                            "scoring_elements": "0.02963",
                            "published_at": "2026-06-05T12:55:00Z"
                        },
                        {
                            "value": "0.00014",
                            "scoring_system": "epss",
                            "scoring_elements": "0.02901",
                            "published_at": "2026-06-08T12:55:00Z"
                        },
                        {
                            "value": "0.00014",
                            "scoring_system": "epss",
                            "scoring_elements": "0.02917",
                            "published_at": "2026-06-07T12:55:00Z"
                        },
                        {
                            "value": "0.00014",
                            "scoring_system": "epss",
                            "scoring_elements": "0.02971",
                            "published_at": "2026-06-06T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-45078"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.1",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse/commit/3f58bc50dfba5768ee43ce48c5e74c25ba0b078a",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.1",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse/commit/3f58bc50dfba5768ee43ce48c5e74c25ba0b078a"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse/issues/19394",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.1",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse/issues/19394"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse/security/advisories/GHSA-8q93-326v-3m7g",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "5.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        },
                        {
                            "value": "6.8",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "7.1",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-29T15:31:35Z/"
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse/security/advisories/GHSA-8q93-326v-3m7g"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-8q93-326v-3m7g",
                    "reference_id": "GHSA-8q93-326v-3m7g",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "HIGH",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/advisories/GHSA-8q93-326v-3m7g"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/75426?format=api",
                    "purl": "pkg:pypi/matrix-synapse@1.152.1",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.152.1"
                }
            ],
            "aliases": [
                "CVE-2026-45078",
                "CVE-2026-45078,",
                "GHSA-8q93-326v-3m7g",
                "PYSEC-2026-191"
            ],
            "risk_score": 4.0,
            "exploitability": "0.5",
            "weighted_severity": "8.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-57xv-u1be-mfez"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/56302?format=api",
            "vulnerability_id": "VCID-8vfd-w1xq-wuf9",
            "summary": "Synapse can be forced to thumbnail unexpected file formats, invoking external, potentially untrustworthy decoders\nIn Synapse versions before 1.120.1, enabling the `dynamic_thumbnails` option or processing a specially crafted request could trigger the decoding and thumbnail generation of uncommon image formats, potentially invoking external tools like Ghostscript for processing.\n\nThis significantly expands the attack surface in a historically vulnerable area, presenting a risk that far outweighs the benefit, particularly since these formats are rarely used on the open web or within the Matrix ecosystem.\n\nFor a list of image formats, as well as decoding libraries and helper programs used, see [the Pillow documentation](https://pillow.readthedocs.io/en/stable/handbook/image-file-formats.html).",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2024-53863",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00962",
                            "scoring_system": "epss",
                            "scoring_elements": "0.76863",
                            "published_at": "2026-06-08T12:55:00Z"
                        },
                        {
                            "value": "0.00962",
                            "scoring_system": "epss",
                            "scoring_elements": "0.76876",
                            "published_at": "2026-06-05T12:55:00Z"
                        },
                        {
                            "value": "0.00962",
                            "scoring_system": "epss",
                            "scoring_elements": "0.76873",
                            "published_at": "2026-06-07T12:55:00Z"
                        },
                        {
                            "value": "0.00962",
                            "scoring_system": "epss",
                            "scoring_elements": "0.76884",
                            "published_at": "2026-06-06T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2024-53863"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "8.2",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse"
                },
                {
                    "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1088995",
                    "reference_id": "1088995",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1088995"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2024-53863",
                    "reference_id": "CVE-2024-53863",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "8.2",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-53863"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-vp6v-whfm-rv3g",
                    "reference_id": "GHSA-vp6v-whfm-rv3g",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://github.com/advisories/GHSA-vp6v-whfm-rv3g"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse/security/advisories/GHSA-vp6v-whfm-rv3g",
                    "reference_id": "GHSA-vp6v-whfm-rv3g",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "8.2",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "8.2",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-12-03T19:07:32Z/"
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse/security/advisories/GHSA-vp6v-whfm-rv3g"
                },
                {
                    "reference_url": "https://usn.ubuntu.com/7444-1/",
                    "reference_id": "USN-7444-1",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://usn.ubuntu.com/7444-1/"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/83451?format=api",
                    "purl": "pkg:pypi/matrix-synapse@1.120.1",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.120.1"
                }
            ],
            "aliases": [
                "CVE-2024-53863",
                "GHSA-vp6v-whfm-rv3g"
            ],
            "risk_score": 4.0,
            "exploitability": "0.5",
            "weighted_severity": "8.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-8vfd-w1xq-wuf9"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/56303?format=api",
            "vulnerability_id": "VCID-f81p-k1bf-x7fq",
            "summary": "Synapse Matrix has a partial room state leak via Sliding Sync\nThe Sliding Sync feature on Synapse versions between 1.113.0rc1 and 1.120.0 can leak partial room state changes to users no longer in a room. Non-state events, like messages, are unaffected.",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2024-53867",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00134",
                            "scoring_system": "epss",
                            "scoring_elements": "0.32573",
                            "published_at": "2026-06-05T12:55:00Z"
                        },
                        {
                            "value": "0.00134",
                            "scoring_system": "epss",
                            "scoring_elements": "0.32471",
                            "published_at": "2026-06-08T12:55:00Z"
                        },
                        {
                            "value": "0.00134",
                            "scoring_system": "epss",
                            "scoring_elements": "0.32502",
                            "published_at": "2026-06-07T12:55:00Z"
                        },
                        {
                            "value": "0.00134",
                            "scoring_system": "epss",
                            "scoring_elements": "0.32541",
                            "published_at": "2026-06-06T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2024-53867"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "4.3",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse"
                },
                {
                    "reference_url": "https://github.com/matrix-org/matrix-spec-proposals/pull/4186",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "4.3",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-12-03T19:07:06Z/"
                        }
                    ],
                    "url": "https://github.com/matrix-org/matrix-spec-proposals/pull/4186"
                },
                {
                    "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1088995",
                    "reference_id": "1088995",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1088995"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2024-53867",
                    "reference_id": "CVE-2024-53867",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "4.3",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-53867"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-56w4-5538-8v8h",
                    "reference_id": "GHSA-56w4-5538-8v8h",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://github.com/advisories/GHSA-56w4-5538-8v8h"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse/security/advisories/GHSA-56w4-5538-8v8h",
                    "reference_id": "GHSA-56w4-5538-8v8h",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "4.3",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-12-03T19:07:06Z/"
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse/security/advisories/GHSA-56w4-5538-8v8h"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/83451?format=api",
                    "purl": "pkg:pypi/matrix-synapse@1.120.1",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.120.1"
                }
            ],
            "aliases": [
                "CVE-2024-53867",
                "GHSA-56w4-5538-8v8h"
            ],
            "risk_score": 3.1,
            "exploitability": "0.5",
            "weighted_severity": "6.2",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-f81p-k1bf-x7fq"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/56991?format=api",
            "vulnerability_id": "VCID-hnm3-rn4r-1qa4",
            "summary": "Synapse vulnerable to federation denial of service via malformed events\nA malicious server can craft events with a `depth` outside the integer range allowed by Canonical JSON. When such an event is received by Synapse version up to 1.127.0, it prevents it from federating with other servers. The vulnerability has been exploited in the wild.",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2025-30355",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.13201",
                            "scoring_system": "epss",
                            "scoring_elements": "0.94278",
                            "published_at": "2026-06-07T12:55:00Z"
                        },
                        {
                            "value": "0.13201",
                            "scoring_system": "epss",
                            "scoring_elements": "0.94277",
                            "published_at": "2026-06-08T12:55:00Z"
                        },
                        {
                            "value": "0.13201",
                            "scoring_system": "epss",
                            "scoring_elements": "0.94275",
                            "published_at": "2026-06-05T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2025-30355"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.1",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse/commit/2277df2a1eb685f85040ef98fa21d41aa4cdd389",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.1",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-03-27T13:47:41Z/"
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse/commit/2277df2a1eb685f85040ef98fa21d41aa4cdd389"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse/releases/tag/v1.127.1",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.1",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-03-27T13:47:41Z/"
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse/releases/tag/v1.127.1"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-30355",
                    "reference_id": "CVE-2025-30355",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.1",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-30355"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-v56r-hwv5-mxg6",
                    "reference_id": "GHSA-v56r-hwv5-mxg6",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://github.com/advisories/GHSA-v56r-hwv5-mxg6"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse/security/advisories/GHSA-v56r-hwv5-mxg6",
                    "reference_id": "GHSA-v56r-hwv5-mxg6",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.1",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-03-27T13:47:41Z/"
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse/security/advisories/GHSA-v56r-hwv5-mxg6"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/75359?format=api",
                    "purl": "pkg:pypi/matrix-synapse@1.127.1",
                    "is_vulnerable": true,
                    "affected_by_vulnerabilities": [
                        {
                            "vulnerability": "VCID-361n-7ar1-fqgr"
                        },
                        {
                            "vulnerability": "VCID-44n9-z1mc-fydq"
                        },
                        {
                            "vulnerability": "VCID-57xv-u1be-mfez"
                        }
                    ],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.127.1"
                }
            ],
            "aliases": [
                "CVE-2025-30355",
                "GHSA-v56r-hwv5-mxg6"
            ],
            "risk_score": 4.0,
            "exploitability": "0.5",
            "weighted_severity": "8.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-hnm3-rn4r-1qa4"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/56300?format=api",
            "vulnerability_id": "VCID-mxt4-9769-pkd5",
            "summary": "Synapse allows a a malformed invite to break the invitee's `/sync`\nSynapse versions before 1.120.1 fail to properly validate invites received over federation. This vulnerability allows a malicious server to send a specially crafted invite that disrupts the invited user's `/sync` functionality.",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2024-52815",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00353",
                            "scoring_system": "epss",
                            "scoring_elements": "0.5801",
                            "published_at": "2026-06-05T12:55:00Z"
                        },
                        {
                            "value": "0.00353",
                            "scoring_system": "epss",
                            "scoring_elements": "0.57993",
                            "published_at": "2026-06-08T12:55:00Z"
                        },
                        {
                            "value": "0.00353",
                            "scoring_system": "epss",
                            "scoring_elements": "0.58008",
                            "published_at": "2026-06-07T12:55:00Z"
                        },
                        {
                            "value": "0.00353",
                            "scoring_system": "epss",
                            "scoring_elements": "0.58018",
                            "published_at": "2026-06-06T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2024-52815"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "8.7",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse"
                },
                {
                    "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1088995",
                    "reference_id": "1088995",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1088995"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2024-52815",
                    "reference_id": "CVE-2024-52815",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "8.7",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-52815"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-f3r3-h2mq-hx2h",
                    "reference_id": "GHSA-f3r3-h2mq-hx2h",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://github.com/advisories/GHSA-f3r3-h2mq-hx2h"
                },
                {
                    "reference_url": "https://github.com/element-hq/synapse/security/advisories/GHSA-f3r3-h2mq-hx2h",
                    "reference_id": "GHSA-f3r3-h2mq-hx2h",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "8.7",
                            "scoring_system": "cvssv4",
                            "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-12-03T19:05:32Z/"
                        }
                    ],
                    "url": "https://github.com/element-hq/synapse/security/advisories/GHSA-f3r3-h2mq-hx2h"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/83451?format=api",
                    "purl": "pkg:pypi/matrix-synapse@1.120.1",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.120.1"
                }
            ],
            "aliases": [
                "CVE-2024-52815",
                "GHSA-f3r3-h2mq-hx2h"
            ],
            "risk_score": 4.0,
            "exploitability": "0.5",
            "weighted_severity": "8.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-mxt4-9769-pkd5"
        }
    ],
    "fixing_vulnerabilities": [],
    "risk_score": "4.0",
    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.119.0rc2"
}