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 tracked as CVE-2025-55182 and React2Shell can be exploited for unauthenticated remote code execution.

Cloudflare has blamed today's outage on the emergency patching of a critical React remote code execution vulnerability, which is now actively exploited in attacks.

Learn the key concepts behind React and how to use JSX elements and components to build lean and fast web front ends React, also known as ReactJS, is an open source JavaScript library for building ...