Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/713120?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/713120?format=api", "purl": "pkg:npm/yarn@1.22.4", "type": "npm", "namespace": "", "name": "yarn", "version": "1.22.4", "qualifiers": {}, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": "1.22.13", "latest_non_vulnerable_version": "1.22.13", "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/46941?format=api", "vulnerability_id": "VCID-m42m-4cnh-7qfv", "summary": "Untrusted Search Path\nAn untrusted search path vulnerability was found in Yarn. When a victim runs certain Yarn commands in a directory with attacker-controlled content, malicious commands could be executed in unexpected ways.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-4435.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.7", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-4435.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-4435", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00051", "scoring_system": "epss", "scoring_elements": "0.16105", "published_at": "2026-06-09T12:55:00Z" }, { "value": "0.00051", "scoring_system": "epss", "scoring_elements": "0.16136", "published_at": "2026-06-04T12:55:00Z" }, { "value": "0.00051", "scoring_system": "epss", "scoring_elements": "0.1622", "published_at": "2026-06-05T12:55:00Z" }, { "value": "0.00051", "scoring_system": "epss", "scoring_elements": "0.16211", "published_at": "2026-06-06T12:55:00Z" }, { "value": "0.00051", "scoring_system": "epss", "scoring_elements": "0.16168", "published_at": "2026-06-07T12:55:00Z" }, { "value": "0.00051", "scoring_system": "epss", "scoring_elements": "0.16082", "published_at": "2026-06-08T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-4435" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2262284", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-06-17T14:29:04Z/" } ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2262284" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4435", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4435" }, { "reference_url": "https://github.com/yarnpkg/yarn", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/yarnpkg/yarn" }, { "reference_url": "https://github.com/yarnpkg/yarn/commit/67fcce88935e45092ffa2674c08053f1ef5268a1", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-06-17T14:29:04Z/" } ], "url": "https://github.com/yarnpkg/yarn/commit/67fcce88935e45092ffa2674c08053f1ef5268a1" }, { "reference_url": "https://github.com/yarnpkg/yarn/releases/tag/v1.22.13", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-06-17T14:29:04Z/" } ], "url": "https://github.com/yarnpkg/yarn/releases/tag/v1.22.13" }, { "reference_url": "https://access.redhat.com/security/cve/CVE-2021-4435", "reference_id": "CVE-2021-4435", "reference_type": "", "scores": [ { "value": "7.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-06-17T14:29:04Z/" } ], "url": "https://access.redhat.com/security/cve/CVE-2021-4435" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4435", "reference_id": "CVE-2021-4435", "reference_type": "", "scores": [ { "value": "7.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4435" }, { "reference_url": "https://github.com/advisories/GHSA-mpwj-fcr6-x34c", "reference_id": "GHSA-mpwj-fcr6-x34c", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-mpwj-fcr6-x34c" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/68762?format=api", "purl": "pkg:npm/yarn@1.22.13", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/yarn@1.22.13" } ], "aliases": [ "CVE-2021-4435", "GHSA-mpwj-fcr6-x34c" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-m42m-4cnh-7qfv" } ], "fixing_vulnerabilities": [], "risk_score": "4.0", "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/yarn@1.22.4" }