React Router Flaw Exposes Web Apps to Cache Poisoning & WAF Bypass Attacks

A critical security vulnerability, CVE-2025-31137, has been identified in React Router, a popular library used by millions of developers for managing routing in React applications.  Security researchers from zhero_web_security discovered this flaw, which affects both React Router 7 and Remix 2 frameworks when using the Express adapter. It could potentially expose web applications to cache […]

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