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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
remix-run react-router
>= 7.11.0, < 7.18.0affected
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 ↗