MAL-2025-6531 Malicious code in justanything (PyPI)
Malicious package
Published
MAL-2025-6531 is a malicious package: justanything (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-2025-6531/ (Markdown: https://insights.sbomify.com/MAL-2025-6531/index.md)
- Package
- justanything
- Registry
- PyPI
What is MAL-2025-6531?
MAL-2025-6531 is a malicious package in justanything, published on 13 Jun 2025.
Official description
Code is designed to download and run remote scripts during installation, which finally downloads and starts an infostealer
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-06-justanything
Reasons (based on the campaign):
infostealer
The package overrides the install command in setup.py to execute malicious code during installation.
Downloads and executes a remote malicious script.
Downloads and executes a remote executable.
What should I do about MAL-2025-6531?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.