testingpkgja

GHSA-p29x-q445-j8v9

Malicious code in testingpkgja (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.1.0`

## Source: kam193 (0bd692e8fc46a3f43477d1f095e7c6e2b9666d2d2c60655ac91efd2be07f5193)
Package downloads and starts an external executable. The executable starts the Windows calculator application. Considering this and the package description, this is a test of potentially malicious behaviour.


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Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.


Campaign: GENERIC-simple-tests


Reasons (based on the campaign):


 - The package overrides the install command in setup.py to execute malicious code during installation.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/testingpkgja/MAL-2025-191894.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/testingpkgja
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/testingpkgja/MAL-2025-191894.json
- https://github.com/advisories/GHSA-p29x-q445-j8v9

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.