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OpenAdvisories
Malicious MAL-2026-4182

stripe-internal

PyPI package · versions 9.5.0

Reported May 20, 2026 · Updated May 20, 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 (e7a911f1602bed2fda7cbacff6567286433df29592c24839ae9980c7fff0e6b4)
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 (e8e3f74f238f0dd161fe65c9330fc2b3445f5960da010c5f3f2ed7a43fa3fd31)
The OpenSSF Package Analysis project identified 'stripe-internal' @ 9.5.0 (pypi) as malicious.

It is considered malicious because:

- The package communicates with a domain associated with malicious activity.