Meta React Server Components Remote Code Execution Vulnerability

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• NewsExploited · CISA KEVKnown ransomware useMeta · React Server Components

  Meta React Server Components Remote Code Execution Vulnerability

  CVE-2025-55182

  Meta React Server Components contains a remote code execution vulnerability that could allow unauthenticated remote code execution by exploiting a flaw in how React decodes payloads sent to React Server Function endpoints. Please note CVE-2025-66478 has been rejected, but it is associated with CVE-2025- 55182.

  CISA's required action · due 12 Dec 2025 for U.S. federal civilian agencies

  Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  Cited by CISA: react.dev · github.com · nvd.nist.gov

  Added to KEV 5 Dec 2025 · Source checked 4 Nov 2026, 16:40 UTC · CISA KEV entry

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