While the critical-severity flaw in a popular open-source library has seen exploitation, the ‘vast majority’ of organizations will not be vulnerable, according to well-known researcher Kevin Beaumont.

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 ...

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.

Today is Microsoft's September 2025 Patch Tuesday, which includes security updates for 81 flaws, including two publicly disclosed zero-day vulnerabilities. This Patch Tuesday also fixes nine "Critical ...