React2Shell: Decoding CVE-2025-55182 – The Silent Threat in React Server Components

A critical remote code execution vulnerability dubbed 'React2Shell' was disclosed on December 3, 2025, affecting React Server Components and frameworks like Next.js. The vulnerability, CVE-2025-55182, has a CVSS score of 10.0 and could lead to full server takeover. It is currently under active exploitation and has been added to the CISA Known Exploited Vulnerabilities (KEV) catalog. Organizations using React Server Components and Next.js frameworks should take immediate remediation steps. The flaw represents a silent threat that can compromise entire server infrastructures through React-based applications.