MAL-2026-13667 Malicious code in kotanku (PyPI)
Malicious package
Published
MAL-2026-13667 is a malicious package: kotanku (PyPI). Every version was published to cause harm.
Task:
1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.
2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.
3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.
4. If the package is not used anywhere, say so and change nothing.
Reference: https://insights.sbomify.com/MAL-2026-13667/ (Markdown: https://insights.sbomify.com/MAL-2026-13667/index.md)
- Package
- kotanku
- Registry
- PyPI
What is MAL-2026-13667?
MAL-2026-13667 is a malicious package in kotanku, published on 9 Aug 2026.
Official description
During import, the package exfiltrates cryptocurrency wallet files.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-08-kotanku
Reasons (based on the campaign):
exfiltration-crypto
uses-telegram-bot
What should I do about MAL-2026-13667?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.