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OpenAdvisories
Malicious MAL-2026-504

researchpoc

PyPI package · versions 99.99.9

Reported Jan 25, 2026 · Updated Jan 25, 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 (20a5e6f7ec432b0c41646f696c530fb5e46e034477a23d448de1ac3f18172bec)
Package mentions being a research PoC, probably for dependency confusion, but the code is obfuscated making verification of the claim impossible.

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

Campaign: GENERIC-questionable-pentest

Reasons (based on the campaign):

- exfiltration-env-variables

- exfiltration-generic

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

- typosquatting