Description
React Router is a router for React. In versions 7.0.0 through 7.17.0, the manifest endpoint could be accessed via unauthenticated targeted requests that would put heavy load on the server and slow down response times. This issue is a follow up to CVE-2026-42342, and does not does not impact React Router applications using Declarative Mode (<BrowserRouter>) or Data Mode (createBrowserRouter/<RouterProvider>). 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
>= 7.0.0, < 7.18.0affected
References
- https://github.com/remix-run/react-router/security/advisories/GHSA-chx6-hx7r-mcp5 ↗
- https://github.com/remix-run/react-router/security/advisories/GHSA-8x6r-g9mw-2r78 ↗
- https://github.com/remix-run/react-router/pull/15186 ↗
- https://github.com/remix-run/react-router/commit/09e6020d1950e54f361f7ad00938ecd4dde60929 ↗
- 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 ↗