Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/75308?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/75308?format=api", "purl": "pkg:pypi/matrix-synapse@1.109.0", "type": "pypi", "namespace": "", "name": "matrix-synapse", "version": "1.109.0", "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/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@1.109.0" }