CVE-2025-55182
CVSS v3
10
CRITICAL
EPSS Score
59.6 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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.
CISA Known Exploited Vulnerability
- Date Added
- 2025-12-05
- Patch Due Date
- 2025-12-12
- Ransomware Use
- Known
Technical details
- Published
- 2025-12-03
- CERT-FR Advisory
- CERTFR-2025-ALE-014
- Exploit-DB
- EDB-52506
- CERT-FR Link
- CERTFR-2025-ALE-014
Frequently asked questions
What is CVE-2025-55182?
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.
Is CVE-2025-55182 actively exploited?
Yes. CVE-2025-55182 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 12/12/2025.
What is the CVSS score for CVE-2025-55182?
CVE-2025-55182 has a CVSS v3 base score of 10 (CRITICAL severity).
Is CVE-2025-55182 affecting your environment?
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