{"id":"CVE-2026-53667","revision":"642dec15c8734a0f88be6a81ad7ca156","records":[{"revision":"642dec15c8734a0f88be6a81ad7ca156","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-53667","aliases":[],"title":"React Router: Cross-site Scripting is Possible due to Missing RSCErrorHandler Protocol Validation (Incomplete fix for CVE-2026-53667)","description":"React Router is a router for React. In versions 7.11.0 through 7.17.0, the RSCErrorHandler is missing protocol validation, allowing for redirects from untrusted sources. This issue is a follow up to CVE-2026-53667, and only affects consuming applications if they are using the unstable RSC APIs. This issue has been fixed in version 7.18.0.","state":0,"publishedAt":"2026-07-27T21:21:16.084+00:00","modifiedAt":"2026-07-28T13:51:15.333+00:00","affected":[{"ecosystem":"Vendor product","name":"react-router","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"remix-run\",\n                    \"product\": \"react-router\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 7.11.0, < 7.18.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N","score":6.9,"severity":"MEDIUM"}],"references":["https://github.com/remix-run/react-router/security/advisories/GHSA-h8fp-f39c-q6mh","https://github.com/remix-run/react-router/pull/15177","https://github.com/remix-run/react-router/commit/ce596e823f0d7b883a433af1d5a839a8b9fe0242","https://github.com/remix-run/react-router/blob/main/CHANGELOG.md#v7180","https://github.com/remix-run/react-router/releases/tag/react-router@7.18.0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-53667","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-53667","identifiers":["CVE-2026-53667"]},"retained":false,"historicalAffected":[]}],"coverage":[]}