GHSA-49rj-9fvp-4h2h
High · 8.1CVSS
8.1
EPSS
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Published
Jun 3, 2026
CISA due date
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The record
React Router's vendored turbo-stream v2 allows arbitrary constructor invocation via TYPE_ERROR deserialization leading to Unauth RCE
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | react-router | 7.0.0 | 7.14.2 |
Related vulnerabilities
- CVE-2026-42211 React Router is a router for React. Same vulnerability
- CVE-2026-53663 React Router is a router for React. Also affects react-router
- GHSA-84g9-w2xq-vcv6 React Router: Potential CSRF via PUT/PATCH/DELETE document requests Also affects react-router
- GHSA-rxv8-25v2-qmq8 React Router vulnerable to Denial of Service via reflected user input in single-fetch Also affects react-router
- GHSA-8x6r-g9mw-2r78 React Router vulnerable to DoS via unbounded path expansion in __manifest endpoint Also affects react-router
- GHSA-2j2x-hqr9-3h42 React Router's same-origin redirect with path starting // causes open redirect via… Also affects react-router
- GHSA-8646-j5j9-6r62 React Router vulnerable to XSS in unstable RSC redirect handling via javascript: redirect… Also affects react-router
- GHSA-f22v-gfqf-p8f3 React Router has stored XSS via unescaped Location header in prerendered redirect HTML Also affects react-router