{"id":"CVE-2026-50016","state":"PUBLISHED","title":"pnpm: Transitive dependency alias path traversal allows project path override via symlink replacement","description":"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.","publishedAt":"2026-06-25T16:53:16.350Z","updatedAt":"2026-06-26T03:56:20.337Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["pnpm pnpm"],"affected":[{"vendor":"pnpm","product":"pnpm","versions":[{"version":"< 10.33.4","status":"affected"},{"version":">= 11.0.0, < 11.4.0","status":"affected"}]}],"references":["https://github.com/pnpm/pnpm/security/advisories/GHSA-hwx4-2j3j-g496"],"weaknesses":["CWE-23"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/50xxx/CVE-2026-50016.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-50016","state":"PUBLISHED","datePublished":"2026-06-25T16:53:16.350Z","dateUpdated":"2026-06-26T03:56:20.337Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-02T22:46:02.579Z"},"containers":{"cna":{"title":"pnpm: Transitive dependency alias path traversal allows project path override via symlink replacement","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"pnpm","product":"pnpm","versions":[{"version":"< 10.33.4","status":"affected"},{"version":">= 11.0.0, < 11.4.0","status":"affected"}]}],"references":[{"url":"https://github.com/pnpm/pnpm/security/advisories/GHSA-hwx4-2j3j-g496","name":"https://github.com/pnpm/pnpm/security/advisories/GHSA-hwx4-2j3j-g496","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-23","lang":"en","description":"CWE-23: Relative Path Traversal","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-06-25T16:53:16.350Z"},"source":{"advisory":"GHSA-hwx4-2j3j-g496","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/pnpm/pnpm/security/advisories/GHSA-hwx4-2j3j-g496","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-25T00:00:00+00:00","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-50016"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-26T03:56:20.337Z"}}]}}}