MAL-2025-191842 Malicious code in python-uvicorn (PyPI)
Malicious package
Published
MAL-2025-191842 is a malicious package: python-uvicorn (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-2025-191842/ (Markdown: https://insights.sbomify.com/MAL-2025-191842/index.md)
- Package
- python-uvicorn
- Registry
- PyPI
What is MAL-2025-191842?
MAL-2025-191842 is a malicious package in python-uvicorn, published on 16 Jul 2025.
Official description
Malicious copy of uvicorn package with added healthcheck endpoint that exfiltrates application settings/env vars
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-07-python-uvicorn
Reasons (based on the campaign):
clones-real-package
action-hidden-in-lib-usage
What should I do about MAL-2025-191842?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.