Launch Week Day 1: Announcing Security Design Review
npm

react-router

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13 Total advisories
13 Vulnerabilities
0 Malware

Vulnerabilities

HIGH 8.1
npm

CVE-2026-42211

React Router's vendored turbo-stream v2 allows arbitrary constructor invocation via TYPE_ERROR deserialization leading to Unauth RCE

UNKNOWN
npm

CVE-2026-40181

React Router's same-origin redirect with path starting // causes open redirect via protocol-relative URL reinterpretation

MEDIUM 6.5
npm

CVE-2026-22030

React Router has CSRF issue in Action/Server Action Request Processing

HIGH 7.5
npm

CVE-2026-42342

React Router vulnerable to DoS via unbounded path expansion in __manifest endpoint

HIGH 7.5
npm

CVE-2026-34077

React Router vulnerable to Denial of Service via reflected user input in single-fetch

MEDIUM 5.4
npm

CVE-2026-33244

React Router has stored XSS via unescaped Location header in prerendered redirect HTML

HIGH 8.0
npm

CVE-2026-33245

React Router vulnerable to XSS in unstable RSC redirect handling via javascript: redirect targets

HIGH 7.6
npm

CVE-2025-59057

React Router has XSS Vulnerability

HIGH 8.2
npm

CVE-2026-21884

React Router SSR XSS in ScrollRestoration

HIGH 8.0
npm

CVE-2026-22029

React Router vulnerable to XSS via Open Redirects

MEDIUM 6.5
npm

CVE-2025-68470

React Router has unexpected external redirect via untrusted paths

HIGH 8.2
npm

CVE-2025-43865

React Router allows pre-render data spoofing on React-Router framework mode

HIGH 7.5
npm

CVE-2025-43864

React Router allows a DoS via cache poisoning by forcing SPA mode

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