CVE-2026-59946

{"id": "CVE-2026-59946", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-59946", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-09T14:21:07.902689Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 4.2, "exploitabilityScore": 1.8}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "composer", "product": "composer", "versions": [{"status": "affected", "version": ">= 1.0, < 2.2.29"}, {"status": "affected", "version": ">= 2.3.0, < 2.10.2"}]}]}], "published": "2026-07-08T20:16:59.707", "references": [{"url": "https://github.com/composer/composer/commit/502c6c4f699802d9cf464728b3e8a95674f919a0", "source": "security-advisories@github.com"}, {"url": "https://github.com/composer/composer/commit/c50b1efd13ebd73f6dca19b31424c5a02bf93cc1", "source": "security-advisories@github.com"}, {"url": "https://github.com/composer/composer/releases/tag/2.10.2", "source": "security-advisories@github.com"}, {"url": "https://github.com/composer/composer/releases/tag/2.2.29", "source": "security-advisories@github.com"}, {"url": "https://github.com/composer/composer/security/advisories/GHSA-gjfg-22fp-rrxx", "source": "security-advisories@github.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-22"}, {"lang": "en", "value": "CWE-732"}]}], "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."}], "lastModified": "2026-07-10T19:14:18.563", "sourceIdentifier": "security-advisories@github.com"}