React2Shell: A Technical Deep Dive into CVE-2025-55182—Priority-0 RCE Alert and Remediation Guide for Next.js and React Server Components

Dec 7, 2025 · 15 min read · I. Executive Mandate: Maximum Severity Alert (CVSS 10.0) A. Statement of Urgency and Impact This report serves as a maximum-severity alert regarding the critical vulnerability designated as CVE-2025-55182, widely referred to as React2Shell. This flaw...