{"id":"CVE-2026-59196","aliases":["GHSA-fr4h-3cph-29xv"],"url":"https://o3.security/vulnerability/CVE-2026-59196","summary":"pnpm: hoisted install imports lockfile alias outside node_modules","details":"pnpm is a package manager. Prior to 10.34.4 and 11.7.0, a crafted lockfile alias could be joined directly under a hoisted node_modules directory. Traversal aliases could escape that directory, while reserved aliases such as .bin or .pnpm could overwrite pnpm-owned layout.  This vulnerability is fixed in 10.34.4 and 11.7.0.","published":"2026-07-06T15:18:53.881Z","modified":"2026-09-06T03:30:48.430903416Z","cvss":{"score":7.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L"},"epss":{"score":0.00401,"percentile":0.3346,"asOf":"2026-09-08"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"pnpm","fixedVersion":"10.34.4"},{"ecosystem":"npm","name":"pnpm","fixedVersion":"11.7.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59196.json"},{"type":"ADVISORY","url":"https://github.com/pnpm/pnpm/security/advisories/GHSA-fr4h-3cph-29xv"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59196"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-06T03:30:48.430903416Z"}}