React RSC Security Flaw: The Code Execution Comedy You Didn’t Ask For!
Attention React users: A flaw in React Server Components can lead to remote code execution. This vulnerability, CVE-2025-55182, is a ten on the “Oops” scale. Even if your app doesn’t use React Server Function endpoints, you might still be vulnerable. Update those npm packages stat, before your server becomes a hacker’s playground!
Hot Take:
Looks like React has a new CVE: “Code Vindaloo Exploit”—so spicy, it could burn your server to a crisp! Just when you thought React was done serving surprises, it drops the “React Server Components Surprise” with a CVSS score of 10.0, which is not only a perfect ten but also a perfect reason to perfect your patching routine! So, all you React enthusiasts, hold onto your server components; this ride’s about to get bumpy!
Key Points:
- A serious flaw has been discovered in React Server Components, tracked as CVE-2025-55182, with a CVSS score of 10.0.
- The vulnerability allows unauthenticated remote code execution due to unsafe deserialization of RSC payloads.
- Affects versions 19.0, 19.1.0, 19.1.1, and 19.2.0 of specific npm packages.
- Also impacts Next.js using App Router, tracked as CVE-2025-66478.
- Patches have been released; immediate updates are strongly recommended.