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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...

Basic Information

CVE State
PUBLISHED
Reserved Date
August 08, 2025
Published Date
December 03, 2025
Last Updated
February 26, 2026
Vendor
Meta
Product
react-server-dom-webpack, react-server-dom-turbopack, react-server-dom-parcel
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.
Tags
cisa nuclei_scanner

CVSS Scores

CVSS v3.1

10.0 - CRITICAL

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

SSVC Information

Exploitation
active
Automatable
Yes
Technical Impact
total

Exploit Status

Exploited in the Wild
Yes (2026-06-01 10:45:37 UTC) Source

References

https://www.facebook.com/security/advisories/cve-2025-55182 https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components

Known Exploited Vulnerability Information

Source Added Date
CVE 2026-06-01 10:45:37 UTC

Scanner Integrations

Scanner URL Date Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-55182.yaml 2026-06-01 15:34:42 UTC

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Added to KEVIntel

  • Detected by Nuclei