Meta React Server Components Remote Code Execution Vulnerability

When

2025-12-05 00:00 UTC · day precision

Where

Global (internet)

Category

cyber_exploit · ransomware

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.

Sources

• CISA ↗ · first seen 2025-12-05 00:00 UTC

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