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.
References
| Link | Resource |
|---|---|
| https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components | Patch Vendor Advisory |
| https://www.facebook.com/security/advisories/cve-2025-55182 | Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2025/12/03/4 | Mailing List Patch Third Party Advisory |
| https://news.ycombinator.com/item?id=46136026 | Issue Tracking |
| https://aws.amazon.com/blogs/security/china-nexus-cyber-threat-groups-rapidly-exploit-react2shell-vulnerability-cve-2025-55182/ | Third Party Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-55182 | US Government Resource |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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History
No history.
Information
Published : 2025-12-03 16:15
Updated : 2025-12-10 02:00
NVD link : CVE-2025-55182
Mitre link : CVE-2025-55182
CVE.ORG link : CVE-2025-55182
JSON object : View
Products Affected
- react
vercel
- next.js
CWE
CWE-502
Deserialization of Untrusted Data