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OpenAdvisories
Malicious MAL-2025-6787

flatfox-api

PyPI package · versions 999.999.99, 99.99.99, 99.99, 9.9.9, 9.9.99, 9999.99

Reported Jul 30, 2025 · Updated Dec 31, 2025

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 (c1abb243ceb7b5b94ca2f950d7cf27838ad4c22bc9771a0ea878af5497bfebf2)
Installing the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.

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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-standard-pypi-install-pentest

Reasons (based on the campaign):

- The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.

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

Source: ossf-package-analysis (429da42d718cc5f399915b0f5d2f25d3d86f9286a96be2f0661216bd13dc6f17)
The OpenSSF Package Analysis project identified 'flatfox-api' @ 999.999.99 (pypi) as malicious.

It is considered malicious because:

- The package executes one or more commands associated with malicious behavior.