{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-55699","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-06-17T00:13:10.651Z","datePublished":"2026-06-25T16:44:32.442Z","dateUpdated":"2026-06-25T17:54:16.980Z"},"containers":{"cna":{"title":"pnpm: reserved bin name deletes PNPM_HOME during global remove","problemTypes":[{"descriptions":[{"cweId":"CWE-22","lang":"en","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-73","lang":"en","description":"CWE-73: External Control of File Name or Path","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/pnpm/pnpm/security/advisories/GHSA-4gxm-v5v7-fqc4","tags":["x_refsource_CONFIRM"],"url":"https://github.com/pnpm/pnpm/security/advisories/GHSA-4gxm-v5v7-fqc4"}],"affected":[{"vendor":"pnpm","product":"pnpm","versions":[{"version":"< 10.34.2","status":"affected"},{"version":">= 11.0.0, < 11.5.3","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-06-25T16:44:32.442Z"},"descriptions":[{"lang":"en","value":"pnpm is a package manager. Prior to 10.34.2 and 11.5.3, Manifest bin object keys such as \"\", \".\", and \"..\" passed pnpm's bin-name guard. When a malicious package was installed globally, later global remove, update, or add-replacement flows could re-derive those names from the installed manifest and pass path.join(globalBinDir, binName) to removeBin. For \".\" this targets the global bin directory; for \"..\" this targets its parent. This vulnerability is fixed in 10.34.2 and 11.5.3."}],"source":{"advisory":"GHSA-4gxm-v5v7-fqc4","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/pnpm/pnpm/security/advisories/GHSA-4gxm-v5v7-fqc4","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-25T17:54:13.594963Z","id":"CVE-2026-55699","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-25T17:54:16.980Z"}}]}}