VYPR

pypi · Malicious package advisory

Malware

mcpsever

MAL-2026-6384

Malicious code in mcpsever (PyPI)

Details


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## Source: kam193 (087fec121d53b905e66a2c368e905de51bc7aa3863f0777589a18d45623d3515)
During installation, the package exfiltrates env variables


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Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.


Campaign: 2026-06-ip-rotat


Reasons (based on the campaign):


 - The package overrides the install command in setup.py to execute malicious code during installation.


 - exfiltration-env-variables


 - typosquatting

Compromised versions (1)

  • 0.0.1

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.