MAL-2025-191664 Malicious code in unclesky5910 (PyPI)
Malicious package
Published
MAL-2025-191664 is a malicious package: unclesky5910 (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-2025-191664/ (Markdown: https://insights.sbomify.com/MAL-2025-191664/index.md)
- Package
- unclesky5910
- Registry
- PyPI
What is MAL-2025-191664?
MAL-2025-191664 is a malicious package in unclesky5910, published on 19 Oct 2025.
Official description
Package imitates Roblox API wrapper, but the only action is getting the public IP, suggesting it's a security research or malicious attempt
Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.
Campaign: 2025-10-wangzhou183
Reasons (based on the campaign):
- The package overrides the install command in setup.py to execute malicious code during installation.
What should I do about MAL-2025-191664?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.