VYPR

pypi · Malicious package advisory

Malware

pyximport

MAL-2025-191848

Malicious code in pyximport (PyPI)

Details


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## Source: kam193 (4495a2909bdab391f460c6671937fa60d164f745657520e43700b229f56faf0a)
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

Compromised versions (1)

  • 0.0.1

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.