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.
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 ...

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 ...
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 ...
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.
Infosecurity Magazine

React.js Hit by Maximum-Severity 'React2Shell' Vulnerability

A critical RCE flaw in React.js, dubbed React2Shell (CVE-2025-55182), has been disclosed with a maximum CVSS score of 10.0, ...