cvedb.io
CVE-2025-55182
CRITICAL · CVSS 10 ⚠ KEV — EXPLOITED
EPSS exploitation probability: 100%
⚠ Listed in the CISA Known Exploited Vulnerabilities catalog — actively exploited.
Published 2025-12-05 · Last modified 2026-08-04T05:16:35.063

Summary

A pre-authentication remote code execution vulnerability exists in React Server Components versions 19.0.0, 19.1.0, 19.1.1, and 19.2.0 including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafely deserializes payloads from HTTP requests to Server Function endpoints.

Affected products

Meta — React Server Components

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.