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Critical React Server Components Vulnerability CVE-2025-55182: What Security Teams Need to Know

CVE-2025-55182

December 5, 2025 · Trend Micro · Severity: CRITICAL

CVE-2025-55182 is a critical (CVSS 10.0) pre-authentication remote code execution vulnerability affecting React Server Components used in React.js, Next.js, and related frameworks (see the context section for a more exhaustive list of affected frameworks).

Key Takeaways

  • Critical React Server Components Vulnerability CVE-2025-5518 — CRITICAL severity involving CVE-2025-55182
  • Security advisory with actionable remediation guidance
  • Apply vendor patches and monitor for exploitation activity
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