{"action":"Upgrade composer/composer to 2.2.29 or later.","affected":[{"fixed":"2.10.2","introduced":"2.3.0"},{"fixed":"2.2.29","introduced":"1.0.0"}],"component":"composer/composer","cve_ids":["CVE-2026-59946"],"ecosystem":"Packagist","epss":0.00141,"exploited":false,"fixed_versions":["2.10.2","2.2.29"],"ghsa_id":"GHSA-gjfg-22fp-rrxx","id":"tcs_01M5KF2V2PP3VDH62QSKNQ9YTX","modified_at":"2026-07-20T22:00:25.381259105Z","published_at":"2026-07-20T21:57:40Z","references":["https://osv.dev/vulnerability/GHSA-gjfg-22fp-rrxx","https://github.com/composer/composer/security/advisories/GHSA-gjfg-22fp-rrxx","https://nvd.nist.gov/vuln/detail/CVE-2026-59946","https://github.com/composer/composer/commit/502c6c4f699802d9cf464728b3e8a95674f919a0","https://github.com/composer/composer/commit/c50b1efd13ebd73f6dca19b31424c5a02bf93cc1","https://github.com/composer/composer","https://github.com/composer/composer/releases/tag/2.10.2","https://github.com/composer/composer/releases/tag/2.2.29"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GHSA-gjfg-22fp-rrxx","url":"https://osv.dev/vulnerability/GHSA-gjfg-22fp-rrxx"}],"summary":"Composer: Path traversal in package bin field lets dependencies chmod arbitrary host files"}