AI BriefingCritical Security Vulnerability Announced in React Server Components
Key point
A critical security vulnerability has been discovered in React Server Components, requiring the attention of React and Next.js users.
Details
A critical security vulnerability has been announced in React Server Components. This vulnerability affects both React and Vercel's Next.js.
The specific affected versions are as follows:
- react-server-dom-webpack, react-server-dom-parcel, react-server-dom-turbopack: versions 19.0, 19.1.0, 19.1.1, 19.2.0
- Next.js: versions ≥14.3.0-canary.77, ≥15, ≥16
For Replit applications, most are safe, but apps created with the "Mobile app [beta]" option may be vulnerable. Replit has applied protective measures via Google Cloud Armor, and has also completed a patch for that option, so newly created apps are not affected.
To resolve the vulnerability, users should upgrade their Next.js and react-server-dom-* dependencies to the latest versions. Users can check whether their applications are affected via the Security and Privacy Scanner in the Replit workspace.
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