GET

Vulnerability Instance

Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/352863?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/352863?format=api",
    "vulnerability_id": "VCID-292c-g8n3-cyfn",
    "summary": "libexpat before 2.7.6 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.",
    "aliases": [
        {
            "alias": "CVE-2026-41080"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/1077426?format=api",
            "purl": "pkg:deb/debian/expat@2.8.0-1?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/expat@2.8.0-1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/1077817?format=api",
            "purl": "pkg:deb/debian/expat@2.8.0-1",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/expat@2.8.0-1"
        }
    ],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/583457?format=api",
            "purl": "pkg:deb/debian/expat@2.2.10-2%2Bdeb11u5",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-1fms-7y9v-dfc5"
                },
                {
                    "vulnerability": "VCID-292c-g8n3-cyfn"
                },
                {
                    "vulnerability": "VCID-77y6-jskt-qucb"
                },
                {
                    "vulnerability": "VCID-7ndj-4zn8-cqa4"
                },
                {
                    "vulnerability": "VCID-d26t-ex9d-x3ev"
                },
                {
                    "vulnerability": "VCID-gtcn-kyd2-xqdk"
                },
                {
                    "vulnerability": "VCID-jqe4-44gw-wbhu"
                },
                {
                    "vulnerability": "VCID-k2kp-fv3q-vyh2"
                },
                {
                    "vulnerability": "VCID-nguf-68jf-ryaz"
                },
                {
                    "vulnerability": "VCID-nktd-7gph-kkb1"
                },
                {
                    "vulnerability": "VCID-nw3z-nwyg-87e5"
                },
                {
                    "vulnerability": "VCID-qmx9-wkj4-67h3"
                },
                {
                    "vulnerability": "VCID-u5pr-wheu-h7c6"
                },
                {
                    "vulnerability": "VCID-utz3-ytaf-cbht"
                },
                {
                    "vulnerability": "VCID-v41j-xj8s-m7ar"
                },
                {
                    "vulnerability": "VCID-yw8s-ezc7-6ub8"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/expat@2.2.10-2%252Bdeb11u5"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/582483?format=api",
            "purl": "pkg:deb/debian/expat@2.2.10-2%2Bdeb11u5?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-1fms-7y9v-dfc5"
                },
                {
                    "vulnerability": "VCID-292c-g8n3-cyfn"
                },
                {
                    "vulnerability": "VCID-77y6-jskt-qucb"
                },
                {
                    "vulnerability": "VCID-jqe4-44gw-wbhu"
                },
                {
                    "vulnerability": "VCID-nguf-68jf-ryaz"
                },
                {
                    "vulnerability": "VCID-nktd-7gph-kkb1"
                },
                {
                    "vulnerability": "VCID-qmx9-wkj4-67h3"
                },
                {
                    "vulnerability": "VCID-u5pr-wheu-h7c6"
                },
                {
                    "vulnerability": "VCID-utz3-ytaf-cbht"
                },
                {
                    "vulnerability": "VCID-v41j-xj8s-m7ar"
                },
                {
                    "vulnerability": "VCID-yw8s-ezc7-6ub8"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/expat@2.2.10-2%252Bdeb11u5%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/583458?format=api",
            "purl": "pkg:deb/debian/expat@2.5.0-1%2Bdeb12u2",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-292c-g8n3-cyfn"
                },
                {
                    "vulnerability": "VCID-77y6-jskt-qucb"
                },
                {
                    "vulnerability": "VCID-jqe4-44gw-wbhu"
                },
                {
                    "vulnerability": "VCID-nktd-7gph-kkb1"
                },
                {
                    "vulnerability": "VCID-qmx9-wkj4-67h3"
                },
                {
                    "vulnerability": "VCID-u5pr-wheu-h7c6"
                },
                {
                    "vulnerability": "VCID-utz3-ytaf-cbht"
                },
                {
                    "vulnerability": "VCID-v41j-xj8s-m7ar"
                },
                {
                    "vulnerability": "VCID-yw8s-ezc7-6ub8"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/expat@2.5.0-1%252Bdeb12u2"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/582484?format=api",
            "purl": "pkg:deb/debian/expat@2.5.0-1%2Bdeb12u2?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-292c-g8n3-cyfn"
                },
                {
                    "vulnerability": "VCID-77y6-jskt-qucb"
                },
                {
                    "vulnerability": "VCID-jqe4-44gw-wbhu"
                },
                {
                    "vulnerability": "VCID-nktd-7gph-kkb1"
                },
                {
                    "vulnerability": "VCID-qmx9-wkj4-67h3"
                },
                {
                    "vulnerability": "VCID-u5pr-wheu-h7c6"
                },
                {
                    "vulnerability": "VCID-utz3-ytaf-cbht"
                },
                {
                    "vulnerability": "VCID-v41j-xj8s-m7ar"
                },
                {
                    "vulnerability": "VCID-yw8s-ezc7-6ub8"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/expat@2.5.0-1%252Bdeb12u2%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/583459?format=api",
            "purl": "pkg:deb/debian/expat@2.7.1-2",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-292c-g8n3-cyfn"
                },
                {
                    "vulnerability": "VCID-77y6-jskt-qucb"
                },
                {
                    "vulnerability": "VCID-jqe4-44gw-wbhu"
                },
                {
                    "vulnerability": "VCID-nktd-7gph-kkb1"
                },
                {
                    "vulnerability": "VCID-utz3-ytaf-cbht"
                },
                {
                    "vulnerability": "VCID-v41j-xj8s-m7ar"
                },
                {
                    "vulnerability": "VCID-yw8s-ezc7-6ub8"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/expat@2.7.1-2"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/582485?format=api",
            "purl": "pkg:deb/debian/expat@2.7.1-2?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-292c-g8n3-cyfn"
                },
                {
                    "vulnerability": "VCID-77y6-jskt-qucb"
                },
                {
                    "vulnerability": "VCID-jqe4-44gw-wbhu"
                },
                {
                    "vulnerability": "VCID-nktd-7gph-kkb1"
                },
                {
                    "vulnerability": "VCID-utz3-ytaf-cbht"
                },
                {
                    "vulnerability": "VCID-v41j-xj8s-m7ar"
                },
                {
                    "vulnerability": "VCID-yw8s-ezc7-6ub8"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/expat@2.7.1-2%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/583460?format=api",
            "purl": "pkg:deb/debian/expat@2.7.5-1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-292c-g8n3-cyfn"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/expat@2.7.5-1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/582486?format=api",
            "purl": "pkg:deb/debian/expat@2.7.5-1?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-292c-g8n3-cyfn"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/expat@2.7.5-1%3Fdistro=trixie"
        }
    ],
    "references": [
        {
            "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-41080.json",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "3.7",
                    "scoring_system": "cvssv3",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"
                }
            ],
            "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-41080.json"
        },
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-41080",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00025",
                    "scoring_system": "epss",
                    "scoring_elements": "0.06902",
                    "published_at": "2026-04-21T12:55:00Z"
                },
                {
                    "value": "0.00025",
                    "scoring_system": "epss",
                    "scoring_elements": "0.06758",
                    "published_at": "2026-04-18T12:55:00Z"
                },
                {
                    "value": "0.0003",
                    "scoring_system": "epss",
                    "scoring_elements": "0.08692",
                    "published_at": "2026-04-24T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-41080"
        },
        {
            "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-41080",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-41080"
        },
        {
            "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "2.5",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L"
                }
            ],
            "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"
        },
        {
            "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1134732",
            "reference_id": "1134732",
            "reference_type": "",
            "scores": [],
            "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1134732"
        },
        {
            "reference_url": "https://github.com/libexpat/libexpat/pull/1183",
            "reference_id": "1183",
            "reference_type": "",
            "scores": [
                {
                    "value": "2.9",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"
                },
                {
                    "value": "7.5",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                    "value": "Track",
                    "scoring_system": "ssvc",
                    "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-18T02:32:34Z/"
                }
            ],
            "url": "https://github.com/libexpat/libexpat/pull/1183"
        },
        {
            "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2458967",
            "reference_id": "2458967",
            "reference_type": "",
            "scores": [],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2458967"
        },
        {
            "reference_url": "https://github.com/libexpat/libexpat/issues/47",
            "reference_id": "47",
            "reference_type": "",
            "scores": [
                {
                    "value": "2.9",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"
                },
                {
                    "value": "7.5",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                    "value": "Track",
                    "scoring_system": "ssvc",
                    "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-18T02:32:34Z/"
                }
            ],
            "url": "https://github.com/libexpat/libexpat/issues/47"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 331,
            "name": "Insufficient Entropy",
            "description": "The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others."
        }
    ],
    "exploits": [],
    "severity_range_score": "2.5 - 7.5",
    "exploitability": "0.5",
    "weighted_severity": "6.8",
    "risk_score": 3.4,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-292c-g8n3-cyfn"
}