kotanku

GHSA-q2fv-xh5f-cfmx

Malicious code in kotanku (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.1.0`

## Source: kam193 (2281ff1cf735f26084f13f5f3ef5e1d5f9faf8cf06254532e5ee6d27204f52d1)
During import, the package exfiltrates cryptocurrency wallet files.


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


Campaign: 2026-08-kotanku


Reasons (based on the campaign):


 - exfiltration-crypto


 - uses-telegram-bot

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/4b8a8be94a342ee6c0353aec650fc84b445d3154/osv/malicious/pypi/kotanku/MAL-2026-13667.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/kotanku
- https://github.com/ossf/malicious-packages/blob/4b8a8be94a342ee6c0353aec650fc84b445d3154/osv/malicious/pypi/kotanku/MAL-2026-13667.json
- https://github.com/advisories/GHSA-q2fv-xh5f-cfmx

Compromised versions (1)

= 0.1.0

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