{"id":"CVE-2026-22030","state":"PUBLISHED","title":"React Router has CSRF issue in Action/Server Action Request Processing","description":"React Router is a router for React. In @remix-run/server-runtime version prior to 2.17.3. and react-router 7.0.0 through 7.11.0, 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, or when using React Server Actions in the new unstable RSC modes. There is no impact if Declarative Mode (<BrowserRouter>) or Data Mode (createBrowserRouter/<RouterProvider>) is being used. This issue has been patched in @remix-run/server-runtime version 2.17.3 and react-router version 7.12.0.","publishedAt":"2026-01-10T02:42:44.603Z","updatedAt":"2026-01-12T18:09:39.441Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["remix-run react-router"],"affected":[{"vendor":"remix-run","product":"react-router","versions":[{"version":"@remix-run/router < 2.17.3","status":"affected"},{"version":"react-router  >= 7.0.0, < 7.12.0","status":"affected"}]}],"references":["https://github.com/remix-run/react-router/security/advisories/GHSA-h5cw-625j-3rxh"],"weaknesses":["CWE-346","CWE-352"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/22xxx/CVE-2026-22030.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-22030","state":"PUBLISHED","datePublished":"2026-01-10T02:42:44.603Z","dateUpdated":"2026-01-12T18:09:39.441Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-01-05T22:30:38.718Z"},"containers":{"cna":{"title":"React Router has CSRF issue in Action/Server Action Request Processing","descriptions":[{"lang":"en","value":"React Router is a router for React. In @remix-run/server-runtime version prior to 2.17.3. and react-router 7.0.0 through 7.11.0, 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, or when using React Server Actions in the new unstable RSC modes. There is no impact if Declarative Mode (<BrowserRouter>) or Data Mode (createBrowserRouter/<RouterProvider>) is being used. This issue has been patched in @remix-run/server-runtime version 2.17.3 and react-router version 7.12.0."}],"affected":[{"vendor":"remix-run","product":"react-router","versions":[{"version":"@remix-run/router < 2.17.3","status":"affected"},{"version":"react-router  >= 7.0.0, < 7.12.0","status":"affected"}]}],"references":[{"url":"https://github.com/remix-run/react-router/security/advisories/GHSA-h5cw-625j-3rxh","name":"https://github.com/remix-run/react-router/security/advisories/GHSA-h5cw-625j-3rxh","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-346","lang":"en","description":"CWE-346: Origin Validation Error","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-352","lang":"en","description":"CWE-352: Cross-Site Request Forgery (CSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-01-10T02:42:44.603Z"},"source":{"advisory":"GHSA-h5cw-625j-3rxh","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-12T18:09:33.609212Z","id":"CVE-2026-22030","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-12T18:09:39.441Z"}}]}}}