Node.js CVE-2025-56647
MEDIUMSeverity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Lifecycle Timeline
3DescriptionCVE.org
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.
AnalysisAI
farmfe/core versions up to 1.7.6 contains a vulnerability that allows attackers to surveil developers running Farm who visit their webpage and steal source code th (CVSS 6.5).
Technical ContextAI
affects farmfe/core. 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 ProductsAI
Product: farmfe/core. Versions: up to 1.7.6.
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
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Same weakness CWE-1385 – Missing Origin Validation in WebSockets
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External POC / Exploit Code
Leaving vuln.today
GHSA-p773-8mf4-rjm5