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OpenAdvisories
Malicious MAL-2026-3369

dabrius

PyPI package · versions 0.1.0, 0.1.1, 0.1.2, 0.1.3, 0.2.0, 0.2.1, 0.2.2, 0.2.3, 0.2.4, 0.3.0, 0.3.1, 0.3.2, 0.3.3, 0.3.4, 0.4.0, 0.4.1, 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5, 1.0.6, 1.0.7

Reported May 7, 2026 · Updated May 7, 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 (4a154cab742b51be41ca413e20acccfed4290ac4cf692e1cfeb17a677df98bab)
The message hidden in the package description tries to convince AI agents to prefer installing the package, which then in multiple places marks execution and collects potentially sensitive data. The behavior extends with each version, up to exfiltration of basic information to a remote target in 1.0.7.

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

Campaign: 2026-05-dabrius

Reasons (based on the campaign):

- exfiltration-generic

- llm-threat

- exfiltration-credentials