{"id":"GHSA-h5cw-625j-3rxh","summary":"React Router has CSRF issue in Action/Server Action Request Processing","details":"React Router (or Remix v2) is vulnerable to CSRF attacks on document POST requests to UI routes when using server-side route `action` handlers in [Framework Mode](https://reactrouter.com/start/modes#framework), or when using React Server Actions in the new unstable RSC modes.\n\n\u003e [!NOTE]\n\u003e This does not impact your application if you are using [Declarative Mode](https://reactrouter.com/start/modes#declarative) (`\u003cBrowserRouter\u003e`) or [Data Mode](https://reactrouter.com/start/modes#data) (`createBrowserRouter`/`\u003cRouterProvider\u003e`).","aliases":["CVE-2026-22030"],"modified":"2026-08-24T00:36:36.011615877Z","published":"2026-01-08T20:57:09Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2026-01-08T20:57:09Z","nvd_published_at":"2026-01-10T03:15:49Z","cwe_ids":["CWE-346","CWE-352"],"severity":"MODERATE"},"references":[{"type":"WEB","url":"https://github.com/remix-run/react-router/security/advisories/GHSA-h5cw-625j-3rxh"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-22030"},{"type":"PACKAGE","url":"https://github.com/remix-run/react-router"}],"affected":[{"package":{"name":"react-router","ecosystem":"npm","purl":"pkg:npm/react-router"},"ranges":[{"type":"SEMVER","events":[{"introduced":"7.0.0"},{"fixed":"7.12.0"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 7.11.0","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/01/GHSA-h5cw-625j-3rxh/GHSA-h5cw-625j-3rxh.json"}},{"package":{"name":"@remix-run/server-runtime","ecosystem":"npm","purl":"pkg:npm/%40remix-run/server-runtime"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.17.3"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 2.17.2","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/01/GHSA-h5cw-625j-3rxh/GHSA-h5cw-625j-3rxh.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"}]}