{"id":"CVE-2026-59871","aliases":["GHSA-w8wr-v893-vjvp"],"url":"https://o3.security/vulnerability/CVE-2026-59871","summary":"node-tar: Process crash via PAX numeric path type confusion","details":"node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.18, node-tar coerces all-digit PAX path and linkpath values in src/pax.ts to JavaScript numbers, causing downstream path handling such as normalizeWindowsPath(entry.path).split('/') to throw an uncaught TypeError. This issue is fixed in version 7.5.18.","published":"2026-07-08T15:25:09.519Z","modified":"2026-08-12T03:51:23.212840260Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"epss":{"score":0.00644,"percentile":0.48086,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"tar","fixedVersion":"7.5.18"}],"fix":{"url":"https://github.com/isaacs/node-tar/commit/e02a4e9e013c4be95302e2eb2047a942b883c27b","label":"isaacs/node-tar@e02a4e9"},"references":[{"type":"WEB","url":"https://github.com/isaacs/node-tar/releases/tag/v7.5.18"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59871.json"},{"type":"ADVISORY","url":"https://github.com/isaacs/node-tar/security/advisories/GHSA-w8wr-v893-vjvp"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59871"},{"type":"FIX","url":"https://github.com/isaacs/node-tar/commit/e02a4e9e013c4be95302e2eb2047a942b883c27b"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:23.212840260Z"}}