04/12/2025
🚨 Critical React + Next.js Vulnerability (Severity 10.0) please give a read if you use the framework!!
🚨 Critical React + Next.js Vulnerability (Severity 10.0)
A major security issue has just been disclosed affecting React Server Components and Next.js, rated at the maximum severity level: 10.0.
This vulnerability allows unauthenticated remote code ex*****on — meaning an attacker can run code on your server without logging in. A single crafted request is enough to compromise a system.
If your application uses React 19 or Next.js with the App Router, you are very likely exposed.
🔧 What You Need To Do
Update to the patched versions immediately.
This is not a “later tonight” kind of fix — this is a drop everything and patch now situation.
⚠️ Why This Is Critical
• Total server compromise is possible
• Default setups are affected
• Millions of apps worldwide may be vulnerable
Stay sharp, stay secure