React Server Components security flaw Lets Attackers Freeze Next.js Servers With a Single Request

What happened

A security vulnerability has been identified in React Server Components deployments using specific vulnerable releases of React 19. An attacker can exploit (a piece of code that turns a flaw into a way in) this flaw to create a denial-of-service condition through specially crafted HTTP POST requests, as detailed in CVE-2026-23870 (the public catalogue number for a specific software flaw). React Server Components Vulnerability Tracked as CVE-2026-23870 and GHSA-rv78-f8rc-xrxh, this high-severity vulnerability affects React Server Components […] The post React Server Components Vulnerability Lets Attackers Freeze Next.js Servers With a Single Request appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform .