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CVE-2025-55182

Fixed upstream ExploitedEPSS 100%CVSS 10.0

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.

Published 2025-12-03 · In CISA KEV since 2025-12-05 · CVE record · OSV

Products: Meta react-server-dom-webpack, Meta react-server-dom-turbopack, Meta react-server-dom-parcel

Fixed upstream

EcosystemPackageFixed in
npmreact-server-dom-parcel19.0.1
npmreact-server-dom-parcel19.1.2
npmreact-server-dom-parcel19.2.1
npmreact-server-dom-turbopack19.0.1
npmreact-server-dom-turbopack19.1.2
npmreact-server-dom-turbopack19.2.1
npmreact-server-dom-webpack19.0.1
npmreact-server-dom-webpack19.1.2
npmreact-server-dom-webpack19.2.1