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OpenAdvisories
Malicious MAL-2026-6384

mcpsever

PyPI package · versions 0.0.1

Reported Jun 24, 2026 · Updated Jun 24, 2026

If this package is installed

Remove it, treat the machine (or CI runner) as compromised, and rotate every secret, token and key it could access — from a different, clean machine.

Details

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

Indicators of compromise

Shown defanged and not clickable. Search any indicator to find other packages using it.

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