Day: December 4, 2025
Security & Firewall
Understanding React2Shell: The CVE-2025-55182 Vulnerability in React Server Components
React Server Components (RSC) have significantly enhanced web application performance by allowing server-side processing while maintaining the reactivity of client-side React. However, a critical security vulnerability, named React2Shell (CVE-2025-55182), has been discovered that threatens millions of web applications. This vulnerability allows for unauthenticated remote code execution (RCE) ...
SSL Certificates & HTTPS
Let’s Encrypt Is Reducing Certificate Validity to 45 Days
The decision by Let’s Encrypt to shorten the maximum certificate validity from 90 days to 45 days marks one of the most influential structural changes in the modern TLS ecosystem. This update is not an isolated event but part of a broader movement by the CA and ...