{"cve":"CVE-2026-53667","nvd":{"published":"2026-07-27T22:17:31.093","modified":"2026-10-24T13:10:00.147","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://github.com/remix-run/react-router/blob/main/CHANGELOG.md#v7180","https://github.com/remix-run/react-router/commit/ce596e823f0d7b883a433af1d5a839a8b9fe0242","https://github.com/remix-run/react-router/pull/15177","https://github.com/remix-run/react-router/releases/tag/react-router@7.18.0","https://github.com/remix-run/react-router/security/advisories/GHSA-h8fp-f39c-q6mh"],"products":["shopify:react-router"],"source":"nvd","synced_at":"2026-10-24T16:53:27.712498749+00:00"},"epss":{"cve":"CVE-2026-53667","score":0.00355,"percentile":0.2893,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-h8fp-f39c-q6mh","url":"https://osv.dev/vulnerability/GHSA-h8fp-f39c-q6mh","summary":"React Router: RSCErrorHandler Missing Protocol Validation (XSS)","modified":"2026-09-10T03:50:52.323492500Z","packages":[{"ecosystem":"npm","name":"react-router","purl":"pkg:npm/react-router","ranges":[">=7.11.0 <7.18.0"],"fixed":["7.18.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}