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OpenAdvisories
Malicious MAL-2025-41790

tsesyx

PyPI package · versions 10.0.5

Reported Aug 2, 2025 · Updated Mar 19, 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 (7c8ea2b8c69693d4bd40c7c4b952878565e3bfaa6eb0ea02ab6ef9ca18eadea8)
When imported, the package attempts to exfiltrate environment variables and basic user info

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

Campaign: 2025-07-triple-equals

Reasons (based on the campaign):

- exfiltration-env-variables

- The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.