{"id":"CVE-2026-50016","aliases":["GHSA-hwx4-2j3j-g496"],"url":"https://o3.security/vulnerability/CVE-2026-50016","summary":"pnpm: Transitive dependency alias path traversal allows project path override via symlink replacement","details":"pnpm is a package manager. Prior to 10.34.0 and 11.4.0, pnpm allows a transitive dependency alias from registry package metadata to contain path traversal segments. During install, pnpm later uses that alias as a filesystem path when linking dependency nodes. As a result, a registry package can cause `pnpm install --ignore-scripts` to replace paths in the current project with symlinks to attacker-controlled dependency package directories. This vulnerability is fixed in 10.34.0 and 11.4.0.","published":"2026-06-25T16:53:16.350Z","modified":"2026-08-12T03:51:16.299623230Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":{"score":0.00473,"percentile":0.38526,"asOf":"2026-08-11"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"pnpm","fixedVersion":"10.34.0"},{"ecosystem":"npm","name":"pnpm","fixedVersion":"11.4.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50016.json"},{"type":"ADVISORY","url":"https://github.com/pnpm/pnpm/security/advisories/GHSA-hwx4-2j3j-g496"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50016"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:16.299623230Z"}}