MAL-2026-3665 Malicious code in hackling (PyPI)
Malicious package
Published
MAL-2026-3665 is a malicious package: hackling (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-2026-3665/ (Markdown: https://insights.sbomify.com/MAL-2026-3665/index.md)
- Package
- hackling
- Registry
- PyPI
What is MAL-2026-3665?
MAL-2026-3665 is a malicious package in hackling, published on 13 May 2026.
Official description
Package automatically exfiltrate information about the system, including potentially sensitive data.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-05-hackling
Reasons (based on the campaign):
The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.
exfiltration-env-variables
What should I do about MAL-2026-3665?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.