{"id":"GHSA-qwww-vcr4-c8h2","aliases":[],"url":"https://o3.security/vulnerability/GHSA-qwww-vcr4-c8h2","summary":"React Router: RSC Mode CSRF Bypass Allows Action Execution Before 400 Response","details":"This is a follow up to CVE-2026-22030 to address related CSRF flows in unstable RSC code paths.\n\n> [!NOTE]\n> This only affects your application if you are using the unstable RSC APIs","published":"2026-07-24T16:44:43Z","modified":"2026-08-22T05:15:06.906480005Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"react-router","fixedVersion":"7.18.2"},{"ecosystem":"npm","name":"react-router","fixedVersion":"8.3.0"}],"fix":{"url":"https://github.com/remix-run/react-router/pull/15353","label":"remix-run/react-router#15353"},"references":[{"type":"WEB","url":"https://github.com/remix-run/react-router/security/advisories/GHSA-qwww-vcr4-c8h2"},{"type":"WEB","url":"https://github.com/remix-run/react-router/pull/15353"},{"type":"WEB","url":"https://github.com/remix-run/react-router/commit/7a71c728ad116bd78699a258b2014ce9585729f5"},{"type":"WEB","url":"https://github.com/remix-run/react-router/commit/8ebd5df9932854547963e3255c8454e62430e05d"},{"type":"PACKAGE","url":"https://github.com/remix-run/react-router"},{"type":"WEB","url":"https://github.com/remix-run/react-router/blob/main/CHANGELOG.md#v830"},{"type":"WEB","url":"https://github.com/remix-run/react-router/blob/v7/CHANGELOG.md#v7182"},{"type":"WEB","url":"https://github.com/remix-run/react-router/releases/tag/react-router%407.18.2"},{"type":"WEB","url":"https://github.com/remix-run/react-router/releases/tag/react-router@8.3.0"},{"type":"WEB","url":"http://github.com/remix-run/react-router/pull/15311"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-22T05:15:06.906480005Z"}}