Embedded Malicious Code Affecting feishu-docx-mcp package, versions =0.3.2


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Attacked

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  • Snyk IDSNYK-JS-FEISHUDOCXMCP-19639596
  • published7 Sept 2026
  • disclosed6 Sept 2026

Introduced: 6 Sep 2026

New Malicious CVE NOT AVAILABLE CWE-506  (opens in a new tab)

How to fix?

Avoid using all malicious instances of the feishu-docx-mcp package.

Overview

feishu-docx-mcp is a Model Context Protocol server for Feishu integration

Affected versions of this package are vulnerable to Embedded Malicious Code. This package was involved in a supply chain compromise that affected multiple packages maintained by ham1912. A malicious actor published tampered versions to the npm registry containing a payload that acts as a self-propagating worm by harvesting developer tokens from compromised environments and republishing newly infected packages.

CVSS Base Scores

version 4.0
version 3.1