mescouilles

GHSA-2vm6-gjmj-ph6p

Malicious code in mescouilles (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.0.1`

## Source: kam193 (c081f74035c370212a2a4d7ab34d10ddc29fdb634e9cedfeeebd407e43b15fae)
Importing the module starts an infostealer


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


Campaign: 2025-11-mescouilles


Reasons (based on the campaign):


 - infostealer


 - infostealer:kiwi


 - infostealer:cstealer


 - exfiltration-generic


 - exfiltration-browser-data


 - exfiltration-credentials


 - files-exfiltration


 - The package contains code to detect if it is running in a sandbox environment.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/mescouilles/MAL-2025-191790.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/mescouilles
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/mescouilles/MAL-2025-191790.json
- https://github.com/advisories/GHSA-2vm6-gjmj-ph6p

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.