Security·December 5, 2025·8 min read
How React Got Hacked: The Critical Server Components Vulnerability Explained
A critical security flaw (CVE-2025-55182) that allowed attackers to execute code on React servers without authentication. Learn what happened, how it was exploited, and how to keep your apps secure.

Introduction
TL;DR - What You Need to Know
What Are React Server Components?
How the Vulnerability Worked
The Scariest Part
What Was Affected?
Real-World Impact
How to Fix It (Immediate Action Required)
Best Practices to Keep Your React Apps Secure
Lessons Learned
Filed under fieldnotesDecember 5, 2025