Critical React, Next.js flaw lets hackers execute code on servers

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.
InfoWorld

Developers urged to immediately upgrade React, Next.js

Critical vulnerability in React library should be treated by IT as they did Log4j - as an emergency, warns one expert.

Critical vulnerability in React JS framework has a near 100% chance to be exploited

Researchers have uncovered a critical security flaw that could have catastrophic consequences for web and private cloud ...
The Hacker News

Critical RSC Bugs in React and Next.js Allow Unauthenticated Remote Code Execution

Critical RSC flaws in React and Next.js enable unauthenticated remote code execution; users should update to patched versions ...
SecurityWeek

React2Shell: In-the-Wild Exploitation Expected for Critical React Vulnerability

Critical React vulnerability tracked as CVE-2025-55182 and React2Shell can be exploited for unauthenticated remote code ...

Admins and defenders gird themselves against maximum-severity server vuln

According to Wiz and fellow security firm Aikido, the vulnerability, tracked as CVE-2025-55182, resides in Flight, a protocol ...