python-files-mod

GHSA-5842-58ph-2c29

Malicious code in python-files-mod (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 1.0.0`

## Source: kam193 (3f9a5cad398dbfcea1ea0ed1a7b20c678a67941581a4562aa92703ac86ee421a)
Disguised as file system manipulation library, the package hides an obfuscated code to communicate with a Telegram channel. Though the usage is not known at the moment, the package is clearly created for data exfiltration


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


Campaign: 2026-02-pathfiles


Reasons (based on the campaign):


 - obfuscation


 - action-hidden-in-lib-usage

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/python-files-mod/MAL-2026-851.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/python-files-mod
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/python-files-mod/MAL-2026-851.json
- https://github.com/advisories/GHSA-5842-58ph-2c29

Compromised versions (1)

= 1.0.0

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