CVE-2025-55182
KEV · ransomware Critical · CVSS 10.0- CVSS
- 10.0
- nvd
- EPSS
- —
- KEV
- Listed
- ransomware
- Class
- oss containerizable
- CWE-502
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.
Affected packages
| npm | react-server-dom-parcel | 19.0.0 → 19.0.1 |
| npm | react-server-dom-parcel | 19.1.0 → 19.1.2 |
| npm | react-server-dom-parcel | 19.2.0 → 19.2.1 |
| npm | react-server-dom-turbopack | 19.0.0 → 19.0.1 |
| npm | react-server-dom-turbopack | 19.1.0 → 19.1.2 |
| npm | react-server-dom-turbopack | 19.2.0 → 19.2.1 |
| npm | react-server-dom-webpack | 19.0.0 → 19.0.1 |
| npm | react-server-dom-webpack | 19.1.0 → 19.1.2 |
| npm | react-server-dom-webpack | 19.2.0 → 19.2.1 |
References
- https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components
- https://www.facebook.com/security/advisories/cve-2025-55182
- http://www.openwall.com/lists/oss-security/2025/12/03/4
- https://news.ycombinator.com/item?id=46136026
- https://aws.amazon.com/blogs/security/china-nexus-cyber-threat-groups-rapidly-exploit-react2shell-vulnerability-cve-2025-55182/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-55182
Status: profiled · ingested 2026-08-04T06:00:54.000Z