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.
Security Boulevard

Denial-of-Service and Source Code Exposure in React Server Components

In early December 2025, the React core team disclosed two new vulnerabilities affecting React Server Components (RSC). These issues – Denial-of-Service and Source Code Exposure were found by security ...

Critical React Vulnerability Puts Web Servers At Immediate Risk

A newly discovered security flaw in the React ecosystem — one of the most widely used technologies on the web — is prompting ...
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 ...
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, ...
Security Boulevard

React Fixes Two New RSC Flaws as Security Teams Deal with React2Shell

As they work to fend off the rapidly expanding number of attempts by threat actors to exploit the dangerous React2Shell vulnerability, security teams are learning of two new flaws in React Server ...