Public exploit for critical RCE in React Server Components in Next.js

published 2026-11-11

An unauthenticated attacker can run arbitrary code on your server through a serialization bug in the React Server Components Flight protocol. Public exploit code has been released, so any exposed app with the vulnerable components can be attacked directly.

CVE: CVE-2026-126187

Source: @TheHackersNews on X

Get the fix

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