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OpenAdvisories
Malicious MAL-2026-4162

vfat

PyPI package · versions 0.1.0

Reported May 19, 2026 · Updated May 19, 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 (625cd870f2a5de965448b7d69832d398b1bf789babe34a594e8724c5bc42ef48)
The package exfiltrates sensitive files and env variables

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

Campaign: 2026-05-vfat

Reasons (based on the campaign):

- exfiltration-generic

- exfiltration-env-variables

- exfiltration-credentials