{"id":"CVE-2026-53663","state":"PUBLISHED","title":"React Router: `handleDocumentRequest` CSRF check covers `POST` only; PUT/PATCH/DELETE bypass","description":"React Router is a router for React. From 7.12.0 until 7.15.1, certain CSRF checks in React Router v7 Framework Mode were insufficient and run on POST requests, but were bypassed on PUT/PATCH/DELETE requests. This is a low severity vulnerability because modern browser protections (CORS preflight, SameSite cookies) already block the cross-origin attack vectors that this missing CSRF check would otherwise gate. This vulnerability is fixed in 7.15.1.","publishedAt":"2026-06-22T17:39:29.160Z","updatedAt":"2026-06-22T19:52:50.287Z","severity":{"score":3.1,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["remix-run react-router","@remix-run server-runtime"],"affected":[{"vendor":"remix-run","product":"react-router","versions":[{"version":">= 7.12.0, < 7.15.1","status":"affected"}]},{"vendor":"@remix-run","product":"server-runtime","versions":[{"version":">= 2.17.3, < 2.17.5","status":"affected"}]}],"references":["https://github.com/remix-run/react-router/security/advisories/GHSA-84g9-w2xq-vcv6"],"weaknesses":["CWE-352"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/53xxx/CVE-2026-53663.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53663","state":"PUBLISHED","datePublished":"2026-06-22T17:39:29.160Z","dateUpdated":"2026-06-22T19:52:50.287Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-09T20:50:36.877Z"},"containers":{"cna":{"title":"React Router: `handleDocumentRequest` CSRF check covers `POST` only; PUT/PATCH/DELETE bypass","descriptions":[{"lang":"en","value":"React Router is a router for React. From 7.12.0 until 7.15.1, certain CSRF checks in React Router v7 Framework Mode were insufficient and run on POST requests, but were bypassed on PUT/PATCH/DELETE requests. This is a low severity vulnerability because modern browser protections (CORS preflight, SameSite cookies) already block the cross-origin attack vectors that this missing CSRF check would otherwise gate. This vulnerability is fixed in 7.15.1."}],"affected":[{"vendor":"remix-run","product":"react-router","versions":[{"version":">= 7.12.0, < 7.15.1","status":"affected"}]},{"vendor":"@remix-run","product":"server-runtime","versions":[{"version":">= 2.17.3, < 2.17.5","status":"affected"}]}],"references":[{"url":"https://github.com/remix-run/react-router/security/advisories/GHSA-84g9-w2xq-vcv6","name":"https://github.com/remix-run/react-router/security/advisories/GHSA-84g9-w2xq-vcv6","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.1,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","version":"3.1"}}],"problemTypes":[{"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":"2026-06-22T17:39:29.160Z"},"source":{"advisory":"GHSA-84g9-w2xq-vcv6","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-22T19:52:41.379004Z","id":"CVE-2026-53663","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":"2026-06-22T19:52:50.287Z"}}]}}}