CVE-2025-56647
@farmfe/core is Missing Origin Validation in WebSocket
6.5
MEDIUM
CVSS 3.1
EPSS 0.01%
Description
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.
How to fix CVE-2025-56647
To remediate CVE-2025-56647, upgrade the affected package to a fixed version below.
- —upgrade to 1.7.6 or later
Is CVE-2025-56647 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.7.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |