{"action":"Upgrade guzzlehttp/guzzle to 7.14.2 or later.","affected":[{"fixed":"7.14.2","introduced":"0"}],"component":"guzzlehttp/guzzle","cve_ids":["CVE-2026-67339"],"ecosystem":"Packagist","epss":0.00372,"exploited":false,"fixed_versions":["7.14.2"],"ghsa_id":"GHSA-94pj-82f3-465w","id":"tcs_01M5KEZMCWBG1CDP67AVZV5DSY","modified_at":"2026-09-10T03:51:11.108946231Z","published_at":"2026-07-20T21:46:02Z","references":["https://osv.dev/vulnerability/GHSA-94pj-82f3-465w","https://github.com/guzzle/guzzle/security/advisories/GHSA-94pj-82f3-465w","https://nvd.nist.gov/vuln/detail/CVE-2026-67339","https://github.com/guzzle/guzzle/pull/3876","https://github.com/guzzle/guzzle/commit/9e4580d4b9981e903dc6323fe37f50a96e85b05e","https://github.com/guzzle/guzzle","https://github.com/guzzle/guzzle/releases/tag/7.14.2","https://www.vulncheck.com/advisories/guzzlehttp-guzzle-before-proxy-authorization-header-disclosure"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-94pj-82f3-465w","url":"https://osv.dev/vulnerability/GHSA-94pj-82f3-465w"}],"summary":"Guzzle: Proxy-Authorization headers can be sent to origin servers"}