CVE-2025-56647

EUVD-2025-207250
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
mitreCNA
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AC:L/AV:N/A:N/C:H/I:N/PR:N/S:U/UI:R
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 3%
Common Weakness Enumeration
References
https://gist.github.com/R4356th/d4372c6f83275d583c180c0e7d7332af
https://github.com/farm-fe/farm/commit/83342ef06e0aea37270950fd8c930422c4df0679
https://github.com/farm-fe/farm/issues/2168