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CVE-2025-55182 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://www.openwall.com/lists/oss-security/2025/12/03/4 CVE Mailing List  Patch  Third Party Advisory 
https://aws.amazon.com/blogs/security/china-nexus-cyber-threat-groups-rapidly-exploit-react2shell-vulnerability-cve-2025-55182/ CISA-ADP Third Party Advisory 
https://news.ycombinator.com/item?id=46136026 CVE Issue Tracking 
https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components Facebook, Inc. Patch  Vendor Advisory 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-55182 CISA-ADP US Government Resource 
https://www.facebook.com/security/advisories/cve-2025-55182 Facebook, Inc. Vendor Advisory 

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name Date Added Due Date Required Action
Meta React Server Components Remote Code Execution Vulnerability 12/05/2025 12/12/2025 Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-502 Deserialization of Untrusted Data cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

8 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-55182
NVD Published Date:
12/03/2025
NVD Last Modified:
12/09/2025
Source:
Facebook, Inc.