CVE-2025-55182: Critical Remote Code Execution Vulnerability Found in React Server Components
ID: 88ea0d42-f497-542a-9c38-f4b26eafe1f0
STIX ID: report--88ea0d42-f497-542a-9c38-f4b26eafe1f0
Feed Name: Arctic Wolf
**Executive Summary:** React released fixes for CVE-2025-55182, a maximum-severity remote code execution vulnerability in React Server Components (React 19) that can allow unauthenticated attackers to run arbitrary server-side JavaScript and compromise applications (impacting frameworks such as Next.js 15–16 and other RSC-enabled toolchains); patches and vendor updates are recommended immediately, with temporary mitigations (WAF, access restrictions, disabling RSC) advised where patching is not yet possible, and no active exploitation reported at this time.
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