cpucheck

GHSA-rf7v-c4p4-px6r

Malicious code in cpucheck (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 1.0.0`

## Source: kam193 (5c9d20d009145b270e9b9f2bb73540bb7484845f0cbe9c73f4cf20cc28f776c9)
Importing the module starts a silent cryptocurrency mining in the background for a hardcoded wallet.


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


Campaign: 2026-03-pyutils-helper


Reasons (based on the campaign):


 - cryptominer

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/cpucheck/MAL-2026-1279.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/cpucheck
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/cpucheck/MAL-2026-1279.json
- https://github.com/advisories/GHSA-rf7v-c4p4-px6r

Compromised versions (1)

= 1.0.0

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