CVE-2026-22030
mediumpriority · track · 0EPSS 0.002 · 8 %ileDEEUUSEPSS · scored 2026-10-27
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 (<BrowserRouter>) or Data Mode (createBrowserRouter/<RouterProvider>) is being used. This issue has been patched in @remix-run/server-runtime version 2.17.3 and react-router version 7.12.0.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (13)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-0752IBM SPSS: Mehrere SchwachstellenDeutsch2026-03-16csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in IBM SPSS ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen, um einen Denial of Service Angriff durchzuführen, und um Dateien zu manipulieren.
- GHSA-h5cw-625j-3rxhReact Router has CSRF issue in Action/Server Action Request Processing2026-01-08ghsa · osvUS
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](https://reactrouter.com/start/modes#framework), or when using React Server Actions in the new unstable RSC modes. > [!NOTE] > This does not impact your application if you are using [Declarative Mode](https://reactrouter.com/start/modes#declarative) (`<BrowserRouter>`) or [Data Mode](https://reactrouter.com/start/modes#data) (`createBrowserRouter`/`<RouterProvider>`).
also known as (3)
Other names and identifiers for this entity.
sources
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references (4)
External citations — patches, advisories, analysis.
- https://github.com/remix-run/react-router/security/advisories/GHSA-h5cw-625j-3rxhcnnvd
- https://reactrouter.com/Patchcnnvd
- https://github.com/remix-run/react-router/security/advisories/GHSA-h5cw-625j-3rxhenisa_euvd
- https://github.com/remix-run/react-router/security/advisories/GHSA-h5cw-625j-3rxhVendor Advisorynvd
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