🚨 CRITICAL RCE ALERT: React & Next.js Vulnerability ↓ Critical remote code execution (RCE) vulnerabilities have been published affecting the React 19 ecosystem and Next.js. These vulnerabilities (CVE-2025-55182 & CVE-2025-66478) reside in the React Server Components (RSC) "Flight" protocol. They allow unauthenticated attackers to execute arbitrary code on the server by sending a specially crafted HTTP POST request. → Severity: Critical. → Vector: Remote, Unauthenticated. → Success Rate: Near 100% in default configurations. → Affected: Standard deployments of Next.js (App Router) and React 19. 🟢 Immediate action required: Patch. There are no workarounds other than patching. Security teams must prioritize upgrading dependencies to hardened versions immediately. — Read our full technical breakdown and remediation guide here: