HIGH
GHSA-qwww-vcr4-c8h2
React Router: RSC Mode CSRF Bypass Allows Action Execution Before 400 Response
Quick fix
GHSA-qwww-vcr4-c8h2 — react-router: upgrade to the fixed version with the command below.
npm install react-router@8.3.0Details
This is a follow up to CVE-2026-22030 to address related CSRF flows in unstable RSC code paths.
> [!NOTE] > This only affects your application if you are using the unstable RSC APIs
Are you affected?
Enter the version of the package you're using.
Affected packages
References
- https://github.com/remix-run/react-router/security/advisories/GHSA-qwww-vcr4-c8h2 [WEB]
- https://github.com/remix-run/react-router/commit/7a71c728ad116bd78699a258b2014ce9585729f5 [WEB]
- https://github.com/remix-run/react-router [PACKAGE]
- https://github.com/remix-run/react-router/blob/main/CHANGELOG.md#v830 [WEB]
- https://github.com/remix-run/react-router/releases/tag/react-router@8.3.0 [WEB]
- http://github.com/remix-run/react-router/pull/15311 [WEB]