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CVE-2026-22030— React Router has CSRF issue in Action/Server Action Request Processing

Quick assessment

Affected
remix-run react-router
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

react-router是Remix开源的一个 React 的声明式路由。 react-router 7.11.0及之前版本存在跨站请求伪造漏洞，该漏洞源于在使用服务器端路由操作处理程序时，容易受到针对文档POST请求的跨站请求伪造攻击。

CVSS 6.5 · Medium EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell
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I. Basic Information for CVE-2026-22030

Vulnerability Information
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Vulnerability Title
React Router has CSRF issue in Action/Server Action Request Processing
Source: CVE Program / CVE List V5
Vulnerability 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 (<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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
源验证错误
Source: CVE Program / CVE List V5
Vulnerability Title
react-router 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
react-router是Remix开源的一个 React 的声明式路由。 react-router 7.11.0及之前版本存在跨站请求伪造漏洞，该漏洞源于在使用服务器端路由操作处理程序时，容易受到针对文档POST请求的跨站请求伪造攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
remix-run react-router @remix-run/router < 2.17.3 -

II. Public POCs for CVE-2026-22030

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III. Intelligence Information for CVE-2026-22030

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Same Patch Batch · remix-run · 2026-01-10 · 6 CVEs total

CVE-2025-61686 9.1 CRITICAL React Router has Path Traversal in File Session Storage
CVE-2026-21884 8.2 HIGH React Router SSR XSS in ScrollRestoration
CVE-2026-22029 8.0 HIGH React Router vulnerable to XSS via Open Redirects
CVE-2025-59057 7.6 HIGH React Router has XSS Vulnerability
CVE-2025-68470 6.5 MEDIUM React Router has unexpected external redirect via untrusted paths

IV. Related Vulnerabilities

Same product: react-router
Same vendor: remix-run
Same weakness: CWE-346

V. Comments for CVE-2026-22030

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