Moderate severityOSV Advisory· Published Jan 10, 2026· Updated Jan 12, 2026
React Router has CSRF issue in Action/Server Action Request Processing
CVE-2026-22030
Description
React Router is a router for React. In @remix-run/server-runtime version prior to 2.17.3. and react-router 7.0.0 through 7.11.0, React Router (or Remix v2) is vulnerable to CSRF attacks on document POST requests to UI routes when using server-side route action handlers in Framework Mode, or when using React Server Actions in the new unstable RSC modes. There is no impact if Declarative Mode () or Data Mode (createBrowserRouter/) is being used. This issue has been patched in @remix-run/server-runtime version 2.17.3 and react-router version 7.12.0.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
react-routernpm | >= 7.0.0, < 7.12.0 | 7.12.0 |
@remix-run/server-runtimenpm | < 2.17.3 | 2.17.3 |
Affected products
3- ghsa-coords2 versions
< 2.17.3+ 1 more
- (no CPE)range: < 2.17.3
- (no CPE)range: >= 7.0.0, < 7.12.0
Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-h5cw-625j-3rxhghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-22030ghsaADVISORY
- github.com/remix-run/react-router/security/advisories/GHSA-h5cw-625j-3rxhghsax_refsource_CONFIRMWEB
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