{"schema_version":"1.9.0","id":"GHSA-vj76-c3g6-qr5v","published":"2025-09-24T18:57:04Z","modified":"2026-09-10T03:50:28.767326235Z","aliases":["CVE-2025-59343"],"summary":"tar-fs has a symlink validation bypass if destination directory is predictable with a specific tarball","details":"### Impact\n v3.1.0, v2.1.3, v1.16.5 and below\n\n### Patches\nHas been patched in 3.1.1, 2.1.4, and 1.16.6\n\n### Workarounds\nYou can use the ignore option to ignore non files/directories.\n\n```js\n  ignore (_, header) {\n    // pass files & directories, ignore e.g. symlinks\n    return header.type !== 'file' && header.type !== 'directory'\n  }\n```\n\n### Credit\nReported by: Mapta / BugBunny_ai","affected":[{"package":{"name":"tar-fs","ecosystem":"npm","purl":"pkg:npm/tar-fs"},"ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0"},{"fixed":"3.1.1"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/09/GHSA-vj76-c3g6-qr5v/GHSA-vj76-c3g6-qr5v.json"}},{"package":{"name":"tar-fs","ecosystem":"npm","purl":"pkg:npm/tar-fs"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2.0.0"},{"fixed":"2.1.4"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/09/GHSA-vj76-c3g6-qr5v/GHSA-vj76-c3g6-qr5v.json"}},{"package":{"name":"tar-fs","ecosystem":"npm","purl":"pkg:npm/tar-fs"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.16.6"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/09/GHSA-vj76-c3g6-qr5v/GHSA-vj76-c3g6-qr5v.json"}}],"references":[{"type":"WEB","url":"https://github.com/mafintosh/tar-fs/security/advisories/GHSA-vj76-c3g6-qr5v"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-59343"},{"type":"WEB","url":"https://github.com/mafintosh/tar-fs/commit/0bd54cdf06da2b7b5b95cd4b062c9f4e0a8c4e09"},{"type":"PACKAGE","url":"https://github.com/mafintosh/tar-fs"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/09/msg00028.html"}],"database_specific":{"cwe_ids":["CWE-22","CWE-61"],"github_reviewed":true,"github_reviewed_at":"2025-09-24T18:57:04Z","nvd_published_at":"2025-09-24T18:15:42Z","severity":"HIGH"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"}]}