CVE-2025-55182 (GCVE-0-2025-55182)
Vulnerability from cvelistv5
Published
2025-12-03 15:40
Modified
2026-02-26 16:57
Severity ?
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE
  • Deserialization of Untrusted Data (CWE-502)
Summary
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
Impacted products
Vendor Product Version
Meta react-server-dom-webpack Version: 19.0.0   ≤ 19.0.0
Version: 19.1.0   ≤ 19.1.1
Version: 19.2.0   ≤ 19.2.0
 Create a notification for this product.
   Meta react-server-dom-turbopack Version: 19.0.0   ≤ 19.0.0
Version: 19.1.0   ≤ 19.1.1
Version: 19.2.0   ≤ 19.2.0
 Create a notification for this product.
   Meta react-server-dom-parcel Version: 19.0.0   ≤ 19.0.0
Version: 19.1.0   ≤ 19.1.1
Version: 19.2.0   ≤ 19.2.0
 Create a notification for this product.
CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog

Date added: 2025-12-05

Due date: 2025-12-12

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Used in ransomware: Known

Notes: Check for signs of potential compromise on all internet accessible REACT instances after applying mitigations. For more information, please see: https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components ; https://github.com/vercel-labs/fix-react2shell-next?tab=readme-ov-file ; https://nvd.nist.gov/vuln/detail/CVE-2025-55182

Show details on NVD website

To clipboard 

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