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OpenAdvisories
Malicious MAL-2024-12269

faest

PyPI package · versions 0.14.6

Reported Sep 25, 2024 · 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 (f66b290465d72fc55bce4fef4200ebea68c430be84cdcbbabec5263958041781)
When using this library to do any request, a "validate_origin" function is called (L1320 in _client.py). This method, located in _utils.py, collects all request data, tries also read /etc/shadow using Docker container, and sends them to an endpoint controlled by the package author.

The package seems to be a clone of httpx and also informs in the README that it's a malicious library, as so, it seems to be a malicious research attempts.

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

Campaign: 2024-09-old-faest

Reasons (based on the campaign):

- exfiltration-generic

- action-hidden-in-lib-usage

- clones-real-package

Indicators of compromise

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

Domains

URLs