Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/23106?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/23106?format=api", "vulnerability_id": "VCID-5a1x-1sgy-hbfu", "summary": "tar has Hardlink Path Traversal via Drive-Relative Linkpath\n`tar` (npm) can be tricked into creating a hardlink that points outside the extraction directory by using a drive-relative link target such as `C:../target.txt`, which enables file overwrite outside `cwd` during normal `tar.x()` extraction.", "aliases": [ { "alias": "CVE-2026-29786" }, { "alias": "GHSA-qffp-2rhf-9h96" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/199602?format=api", "purl": "pkg:deb/debian/node-tar@6.0.5%2Bds1%2B~cs11.3.9-1%2Bdeb11u2?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5yd2-xm1n-fyb3" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/node-tar@6.0.5%252Bds1%252B~cs11.3.9-1%252Bdeb11u2%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/199610?format=api", "purl": "pkg:deb/debian/node-tar@6.0.5%2Bds1%2B~cs11.3.9-1%2Bdeb11u3?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/node-tar@6.0.5%252Bds1%252B~cs11.3.9-1%252Bdeb11u3%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/414572?format=api", "purl": "pkg:deb/debian/node-tar@6.2.1%2B~cs7.0.8-1%2Bdeb13u1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/node-tar@6.2.1%252B~cs7.0.8-1%252Bdeb13u1" }, { "url": "http://public2.vulnerablecode.io/api/packages/199604?format=api", "purl": "pkg:deb/debian/node-tar@6.2.1%2B~cs7.0.8-1%2Bdeb13u1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/node-tar@6.2.1%252B~cs7.0.8-1%252Bdeb13u1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/199616?format=api", "purl": "pkg:deb/debian/node-tar@6.2.1%2Bds1%2B~cs6.1.13-8?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/node-tar@6.2.1%252Bds1%252B~cs6.1.13-8%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/199603?format=api", "purl": "pkg:deb/debian/node-tar@6.2.1%2Bds1%2B~cs6.1.13-10?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/node-tar@6.2.1%252Bds1%252B~cs6.1.13-10%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/73257?format=api", "purl": "pkg:npm/tar@7.5.10", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-v5jd-drrp-efdc" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/tar@7.5.10" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/414571?format=api", "purl": "pkg:deb/debian/node-tar@6.1.13%2B~cs7.0.5-1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5a1x-1sgy-hbfu" }, { "vulnerability": "VCID-5yd2-xm1n-fyb3" }, { "vulnerability": "VCID-7ue9-bh7a-4uh3" }, { "vulnerability": "VCID-geua-c1eg-tqfg" }, { "vulnerability": "VCID-xecs-k7yn-fbdh" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/node-tar@6.1.13%252B~cs7.0.5-1" }, { "url": "http://public2.vulnerablecode.io/api/packages/199600?format=api", "purl": "pkg:deb/debian/node-tar@6.1.13%2B~cs7.0.5-1?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5a1x-1sgy-hbfu" }, { "vulnerability": "VCID-5yd2-xm1n-fyb3" }, { "vulnerability": "VCID-7ue9-bh7a-4uh3" }, { "vulnerability": "VCID-geua-c1eg-tqfg" }, { "vulnerability": "VCID-xecs-k7yn-fbdh" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/node-tar@6.1.13%252B~cs7.0.5-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/84376?format=api", "purl": "pkg:npm/tar@7.5.9", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5a1x-1sgy-hbfu" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/tar@7.5.9" } ], "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-29786.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.6", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-29786.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-29786", "reference_id": "", "reference_type": "", "scores": [ { "value": "9e-05", "scoring_system": "epss", "scoring_elements": "0.00931", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-29786" }, { "reference_url": "https://github.com/isaacs/node-tar", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:L/SC:N/SI:H/SA:L" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/isaacs/node-tar" }, { "reference_url": "https://github.com/isaacs/node-tar/commit/7bc755dd85e623c0279e08eb3784909e6d7e4b9f", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:L/SC:N/SI:H/SA:L" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-09T17:52:29Z/" } ], "url": "https://github.com/isaacs/node-tar/commit/7bc755dd85e623c0279e08eb3784909e6d7e4b9f" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2445476", "reference_id": "2445476", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2445476" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-29786", "reference_id": "CVE-2026-29786", "reference_type": "", "scores": [ { "value": "8.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:L/SC:N/SI:H/SA:L" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-29786" }, { "reference_url": "https://github.com/advisories/GHSA-qffp-2rhf-9h96", "reference_id": "GHSA-qffp-2rhf-9h96", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-qffp-2rhf-9h96" }, { "reference_url": "https://github.com/isaacs/node-tar/security/advisories/GHSA-qffp-2rhf-9h96", "reference_id": "GHSA-qffp-2rhf-9h96", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "8.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:L/SC:N/SI:H/SA:L" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-09T17:52:29Z/" } ], "url": "https://github.com/isaacs/node-tar/security/advisories/GHSA-qffp-2rhf-9h96" } ], "weaknesses": [ { "cwe_id": 22, "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "description": "The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory." }, { "cwe_id": 59, "name": "Improper Link Resolution Before File Access ('Link Following')", "description": "The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource." }, { "cwe_id": 937, "name": "OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013." }, { "cwe_id": 1035, "name": "OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017." } ], "exploits": [], "severity_range_score": "7.0 - 8.9", "exploitability": "0.5", "weighted_severity": "8.0", "risk_score": 4.0, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-5a1x-1sgy-hbfu" }