A critical vulnerability in React Server Components is being actively exploited by multiple threat groups, putting thousands of websites — including crypto platforms — at immediate risk with users ...

CVE-2025-55182 (also referred to as React2Shell and includes CVE-2025-66478, which was merged into it) is a critical pre-authentication remote code execution (RCE) vulnerability affecting React Server ...

The React team has released fixes for two new types of flaws in React Server Components (RSC) that, if successfully exploited, could result in denial-of-service (DoS) or source code exposure. The team ...

Web server admins must scramble to update their backend servers again after React and Next.js disclosed two additional follow-up vulnerabilities related to last week’s discovery of a critical bug.

Facepalm: A widely used web technology is affected by a serious security vulnerability that can be exploited with minimal effort to compromise servers. Known as "React2Shell," the flaw may require ...

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.

Software developers working with React should immediately update the JavaScript programming library to the latest version for security reasons. If this is not done, attackers can exploit a ...

A critical security flaw has been discovered in React, one of the most widely used JavaScript libraries for building websites. The bug enables external attackers to run privileged, arbitrary code on ...

Security defenders are girding themselves in response to the disclosure of a maximum-severity vulnerability disclosed Wednesday in React Server, an open-source package that’s widely used by websites ...

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 in React, a widely used open source software library, could enable remote code execution (RCE) in a massive number of cloud environments, sparking grave concern within ...