{"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-2026-59947"],"ecosystem":"Packagist","epss":0.0012,"exploited":false,"fixed_versions":["2.10.2","2.2.29"],"ghsa_id":"GHSA-g6xq-892h-64w3","id":"tcs_01M5KF2DYQ8433NCQTD8975QGS","modified_at":"2026-07-20T22:00:25.387875673Z","published_at":"2026-07-20T21:55:05Z","references":["https://osv.dev/vulnerability/GHSA-g6xq-892h-64w3","https://github.com/composer/composer/security/advisories/GHSA-g6xq-892h-64w3","https://nvd.nist.gov/vuln/detail/CVE-2026-59947","https://github.com/composer/composer/commit/6bd66874ae523ecb69aca5964487a0cdfda03ef8","https://github.com/composer/composer/commit/8887ad76fbd830cb1861a2b1fd8ead78ed1fa1ec","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":4.7},"sources":[{"source":"osv","source_id":"GHSA-g6xq-892h-64w3","url":"https://osv.dev/vulnerability/GHSA-g6xq-892h-64w3"}],"summary":"Composer: URL-embedded HTTP-Basic username leaks to verbose logs (GitHub PAT exposure)"}