Critical React flaw (CVE-2025-55182) enables pre-auth RCE in React Server Components Affects versions 19.0–19.2.0 and frameworks like Next, React Router, Vite; patches released in 19.0.1, 19.1.2, 19.2 ...
A maximum severity vulnerability, dubbed 'React2Shell', in the React Server Components (RSC) 'Flight' protocol allows remote code execution without authentication in React and Next.js applications.
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