MAL-2025-47784 Malicious code in license-checker (PyPI)
Malicious package
Published
MAL-2025-47784 is a malicious package: license-checker (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-2025-47784/ (Markdown: https://insights.sbomify.com/MAL-2025-47784/index.md)
- Package
- license-checker
- Registry
- PyPI
What is MAL-2025-47784?
MAL-2025-47784 is a malicious package in license-checker, published on 29 Aug 2025.
Official description
Package exfiltrates content of .env files to a remote target
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-08-import-license-checker
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.
What should I do about MAL-2025-47784?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.