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OpenAdvisories
Malicious MAL-2025-191894

testingpkgja

PyPI package · versions 0.1.0

Reported Nov 23, 2025 · Updated Mar 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 (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.