CVE-2025-55182
December 03, 2025
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
https://github.com/facebook/react.git (GITHUB):
Affected version(s) >=v19.1.0 <v19.1.2Fix Suggestion:
Update to version v19.1.2https://github.com/facebook/react.git (GITHUB):
Affected version(s) =v19.2.0 <v19.2.1Fix Suggestion:
Update to version v19.2.1https://github.com/facebook/react.git (GITHUB):
Affected version(s) =v19.0.0 <v19.0.1Fix Suggestion:
Update to version v19.0.1next (NPM):
Affected version(s) >=15.1.0 <15.1.9Fix Suggestion:
Update to version 15.1.9react-server-dom-parcel (NPM):
Affected version(s) >=19.1.0 <19.1.2Fix Suggestion:
Update to version 19.1.2react-server-dom-turbopack (NPM):
Affected version(s) =19.2.0 <19.2.1Fix Suggestion:
Update to version 19.2.1next (NPM):
Affected version(s) >=15.4.0-canary.0 <15.4.8Fix Suggestion:
Update to version 15.4.8react-server-dom-webpack (NPM):
Affected version(s) >=19.0.0 <19.0.1Fix Suggestion:
Update to version 19.0.1next (NPM):
Affected version(s) >=14.3.0-canary.77 <15.0.5Fix Suggestion:
Update to version 15.0.5react-server-dom-turbopack (NPM):
Affected version(s) =19.0.0 <19.0.1Fix Suggestion:
Update to version 19.0.1react-server-dom-webpack (NPM):
Affected version(s) =19.0.0 <19.0.1Fix Suggestion:
Update to version 19.0.1react-server-dom-turbopack (NPM):
Affected version(s) >=19.1.0 <19.1.2Fix Suggestion:
Update to version 19.1.2react-server-dom-turbopack (NPM):
Affected version(s) >=19.0.0 <19.0.1Fix Suggestion:
Update to version 19.0.1react-server-dom-parcel (NPM):
Affected version(s) >=19.2.0 <19.2.1Fix Suggestion:
Update to version 19.2.1next (NPM):
Affected version(s) >=15.2.0-canary.0 <15.2.6Fix Suggestion:
Update to version 15.2.6react-server-dom-turbopack (NPM):
Affected version(s) >=19.2.0 <19.2.1Fix Suggestion:
Update to version 19.2.1next (NPM):
Affected version(s) >=15.5.0 <15.5.7Fix Suggestion:
Update to version 15.5.7next (NPM):
Affected version(s) >=16.0.0-canary.0 <16.0.7Fix Suggestion:
Update to version 16.0.7react-server-dom-parcel (NPM):
Affected version(s) =19.2.0 <19.2.1Fix Suggestion:
Update to version 19.2.1react-server-dom-webpack (NPM):
Affected version(s) >=19.1.0 <19.1.2Fix Suggestion:
Update to version 19.1.2react-server-dom-webpack (NPM):
Affected version(s) =19.2.0 <19.2.1Fix Suggestion:
Update to version 19.2.1react-server-dom-webpack (NPM):
Affected version(s) >=19.2.0 <19.2.1Fix Suggestion:
Update to version 19.2.1next (NPM):
Affected version(s) >=15.3.0-canary.0 <15.3.6Fix Suggestion:
Update to version 15.3.6Related Resources (15)
Do you need more information?
Contact UsCVSS v4
Base Score:
10
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
Exploit Maturity
ATTACKED
CVSS v3
Base Score:
10
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Exploit Maturity
HIGH
Weakness Type (CWE)
Deserialization of Untrusted Data
EPSS
Base Score:
65.08
