MAL-2026-3401 Malicious code in bttcli (PyPI)
Malicious package
Published
MAL-2026-3401 is a malicious package: bttcli (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-2026-3401/ (Markdown: https://insights.sbomify.com/MAL-2026-3401/index.md)
- Package
- bttcli
- Registry
- PyPI
What is MAL-2026-3401?
MAL-2026-3401 is a malicious package in bttcli, published on 9 May 2026.
Official description
During installation or import, package silently adds a new authorized SSH key. It's closely related to the 2026-05-ninja-core-utils campaign, but there is no built-in crypto exfiltration.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-05-ninja-ssh-proto
Reasons (based on the campaign):
backdoor
obfuscation
What should I do about MAL-2026-3401?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.