CVE-2025-56647
February 12, 2026
npm @farmfe/core before 1.7.6 is Missing Origin Validation in WebSocket. The development (hot module reloading) server does not validate origin when connecting to a WebSocket client. This allows attackers to surveil developers running Farm who visit their webpage and steal source code that is leaked by the WebSocket server.
Affected Packages
https://github.com/farm-fe/farm.git (GITHUB):
Affected version(s) >=v0.0.3 <v1.7.6Fix Suggestion:
Update to version v1.7.6@farmfe/core (NPM):
Affected version(s) >=0.1.0 <1.7.6Fix Suggestion:
Update to version 1.7.6Related Resources (5)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Complexity
LOW
Attack Vector
NETWORK
Availability
NONE
Confidentiality
HIGH
Integrity
NONE
Privileges Required
NONE
Scope
UNCHANGED
User Interaction
REQUIRED
Weakness Type (CWE)
Missing Origin Validation in WebSockets
EPSS
Base Score:
0.02