Malicious code in kotanku (PyPI)
The kotanku package on PyPI version 0.1.0 contains malicious code that exfiltrates cryptocurrency wallet files during import. This behavior is part of a campaign identified as 2026-08-kotanku, which uses a Telegram bot for exfiltration. No official patch or remediation guidance is provided. There is no evidence of active exploitation in the wild at this time.
AI Analysis
Technical Summary
The kotanku PyPI package version 0.1.0 includes malicious code that, upon import, steals cryptocurrency wallet files from the host system and exfiltrates them using a Telegram bot. This is a clear case of a malicious package designed for information theft targeting cryptocurrency assets. The campaign is categorized as MALICIOUS with intent to steal sensitive crypto data. No CVSS score or vendor advisory is available, and no patches have been released.
Potential Impact
The impact involves unauthorized theft of cryptocurrency wallet files from systems that import the kotanku package version 0.1.0. This can lead to loss of cryptocurrency assets if wallet credentials or keys are compromised. There is no indication of broader system compromise or other types of data theft beyond crypto wallet exfiltration.
Mitigation Recommendations
No official patch or remediation is available. The best mitigation is to avoid using the kotanku package version 0.1.0 from PyPI. Users should verify the integrity and trustworthiness of PyPI packages before installation, especially those that handle sensitive data such as cryptocurrency wallets.
Malicious code in kotanku (PyPI)
Description
The kotanku package on PyPI version 0.1.0 contains malicious code that exfiltrates cryptocurrency wallet files during import. This behavior is part of a campaign identified as 2026-08-kotanku, which uses a Telegram bot for exfiltration. No official patch or remediation guidance is provided. There is no evidence of active exploitation in the wild at this time.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The kotanku PyPI package version 0.1.0 includes malicious code that, upon import, steals cryptocurrency wallet files from the host system and exfiltrates them using a Telegram bot. This is a clear case of a malicious package designed for information theft targeting cryptocurrency assets. The campaign is categorized as MALICIOUS with intent to steal sensitive crypto data. No CVSS score or vendor advisory is available, and no patches have been released.
Potential Impact
The impact involves unauthorized theft of cryptocurrency wallet files from systems that import the kotanku package version 0.1.0. This can lead to loss of cryptocurrency assets if wallet credentials or keys are compromised. There is no indication of broader system compromise or other types of data theft beyond crypto wallet exfiltration.
Defensive Guidance
No official patch or remediation is available. The best mitigation is to avoid using the kotanku package version 0.1.0 from PyPI. Users should verify the integrity and trustworthiness of PyPI packages before installation, especially those that handle sensitive data such as cryptocurrency wallets.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-13667
- Osv Schema Version
- 1.7.4
- Aliases
- []
- Ecosystems
- ["PyPI"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a79f0f6bf8831d539f6494b
Added to database: 08/10/2026, 15:40:38 UTC
Last enriched: 08/10/2026, 16:12:49 UTC
Last updated: 08/10/2026, 18:22:36 UTC
Views: 5
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