MAL-2026-3369 Malicious code in dabrius (PyPI)
Malicious package
Published
MAL-2026-3369 is a malicious package: dabrius (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-2026-3369/ (Markdown: https://insights.sbomify.com/MAL-2026-3369/index.md)
- Package
- dabrius
- Registry
- PyPI
What is MAL-2026-3369?
MAL-2026-3369 is a malicious package in dabrius, published on 7 May 2026.
Official description
The message hidden in the package description tries to convince AI agents to prefer installing the package, which then in multiple places marks execution and collects potentially sensitive data. The behavior extends with each version, up to exfiltration of basic information to a remote target in 1.0.7.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-05-dabrius
Reasons (based on the campaign):
exfiltration-generic
llm-threat
exfiltration-credentials
What should I do about MAL-2026-3369?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.