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Node.js CVE-2025-56647

MEDIUM
Missing Origin Validation in WebSockets (CWE-1385)
2026-02-12 cve@mitre.org GHSA-p773-8mf4-rjm5
6.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
6.5 MEDIUM
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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

3
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
CVE Published
Feb 12, 2026 - 16:16 nvd
MEDIUM 6.5

DescriptionCVE.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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CVE-2025-56647 vulnerability details – vuln.today

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