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.

A newly discovered security flaw in the React ecosystem — one of the most widely used technologies on the web — is prompting urgent warnings across the tech industry. The bug — dubbed “React2Shell” — ...

Cloudflare’s network suffered a brief but widespread outage Friday, after an update to its Web Application Firewall to mitigate a vulnerability in React Server Components went wrong. At 9:09 a.m. UTC, ...

A critical remote code execution vulnerability in React.js has been identified. React.js is a JavaScript library for building fast, interactive user interfaces (UIs) using reusable components. The ...

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.

The cybersecurity industry is on high alert following the disclosure of a critical React vulnerability that can be exploited by a remote, unauthenticated attacker for remote code execution. React ...

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 ...