{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-59946","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-07-07T18:49:15.607Z","datePublished":"2026-07-08T19:32:38.089Z","dateUpdated":"2026-07-09T14:41:23.436Z"},"containers":{"cna":{"title":"Composer: Path traversal in package bin field lets dependencies chmod arbitrary host files","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-732","lang":"en","description":"CWE-732: Incorrect Permission Assignment for Critical Resource","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/composer/composer/security/advisories/GHSA-gjfg-22fp-rrxx","tags":["x_refsource_CONFIRM"],"url":"https://github.com/composer/composer/security/advisories/GHSA-gjfg-22fp-rrxx"},{"name":"https://github.com/composer/composer/commit/502c6c4f699802d9cf464728b3e8a95674f919a0","tags":["x_refsource_MISC"],"url":"https://github.com/composer/composer/commit/502c6c4f699802d9cf464728b3e8a95674f919a0"},{"name":"https://github.com/composer/composer/commit/c50b1efd13ebd73f6dca19b31424c5a02bf93cc1","tags":["x_refsource_MISC"],"url":"https://github.com/composer/composer/commit/c50b1efd13ebd73f6dca19b31424c5a02bf93cc1"},{"name":"https://github.com/composer/composer/releases/tag/2.10.2","tags":["x_refsource_MISC"],"url":"https://github.com/composer/composer/releases/tag/2.10.2"},{"name":"https://github.com/composer/composer/releases/tag/2.2.29","tags":["x_refsource_MISC"],"url":"https://github.com/composer/composer/releases/tag/2.2.29"}],"affected":[{"vendor":"composer","product":"composer","versions":[{"version":">= 1.0, < 2.2.29","status":"affected"},{"version":">= 2.3.0, < 2.10.2","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-07-08T19:32:38.089Z"},"descriptions":[{"lang":"en","value":"Composer is a dependency Manager for the PHP language. Prior to 2.2.29 and 2.10.2, a Composer package bin entry containing .. path segments can resolve outside the package install directory and cause Composer's binary installation flow to chmod an existing host file to a world-readable and world-executable mode during composer install, update, or require. This issue is fixed in versions 2.2.29 and 2.10.2."}],"source":{"advisory":"GHSA-gjfg-22fp-rrxx","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-09T14:21:07.902689Z","id":"CVE-2026-59946","options":[{"Exploitation":"none"},{"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":"2026-07-09T14:41:23.436Z"}}]}}