vfat

GHSA-v3hv-5xqf-6349

Malicious code in vfat (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.1.0`

## 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

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/vfat/MAL-2026-4162.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/vfat
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/vfat/MAL-2026-4162.json
- https://github.com/advisories/GHSA-v3hv-5xqf-6349

Compromised versions (1)

= 0.1.0

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