Critical vulnerability in React library should be treated by IT as they did Log4j - as an emergency, warns one expert. Developers using the React 19 library for building application interfaces are ...
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.
In December 2025, CVE-2025-55182 (React2Shell), a vulnerability in React Server Components (RSC) that enables remote code execution (RCE), was publicly disclosed. Shortly after publication, multiple ...