Litium security update 2025-12-05
Affected versions
The third party component React version 19.0.0 - 19.2.0
Impact
Under certain conditions, specially crafted requests could lead to unauthenticated remote code execution (RCE), making it a critical, high-severity issue.
Description
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.
Read more at CVE-2025-55182
Recommended actions
- Verify whether your solution uses React versions 19.0.0–19.2.0 or packages affected by CVE-2025-55182.
- Update React to a patched version immediately, following React’s official remediation guidance.
- If you are using components originating from the Litium React Accelerator, update to the latest accelerator version, which includes the security fix.
- Redeploy your application after patching to ensure the updated components are active.
- Review logs and monitor your environment for any suspicious activity as a precaution.
Litium React Accelerator
The Litium React Accelerator has been patched in version 1.11.1 (see Bug 74384).