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6.9 Medium

CVE-2026-53667 React Router is a router for React

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 and versions

Product Affected versions Fixed in
react-router 7.11 7.11.0 → < 7.18.0 7.18.0

Other CVEs of react-router

The 21 CVEs of react-router →
CVE-2026-53669 React Router is a router for React 5.1 Medium CVE-2026-55685 React Router is a router for React 8.7 High CVE-2026-53668 React Router is a router for React 6.9 Medium CVE-2026-53666 React Router is a router for React 6.1 Medium
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