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OpenAdvisories
Malicious MAL-2025-191879

stubsout

PyPI package · versions 0.0.1, 0.0.2

Reported Jun 7, 2025 · Updated Dec 12, 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 (288961ef642901bbbd1ecf1fee45702985e9691d3f2fdc95f5990a197df2782b)
While described as telemetry, importing the package attempts to send out some basic info as well as quite sensitive environmental variables.

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

Campaign: 2025-06-stubsout

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.

- exfiltration-env-variables

Indicators of compromise

Shown defanged and not clickable. Search any indicator to find other packages using it.

Domains

URLs