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 ...

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 ...

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 remote code execution (RCE) vulnerability in the React JavaScript library, which earlier today caused disruption across the internet as Cloudflare pushed mitigations live on its network, is now ...

Meta has discovered a critical vulnerability in React Server Components. The vulnerability has been given a maximum score of 10.0 and allows for unauthenticated remote code execution. The company is ...

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.

Security and developer teams are running to keep ahead of a maximum-severity security flaw in popular open source React frameworks that threat actors can exploit to run remote code execution (RCE) ...

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 ...