MAL-2025-191783 Malicious code in logguru (PyPI)
Malicious package
Published
MAL-2025-191783 is a malicious package: logguru (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-2025-191783/ (Markdown: https://insights.sbomify.com/MAL-2025-191783/index.md)
- Package
- logguru
- Registry
- PyPI
What is MAL-2025-191783?
MAL-2025-191783 is a malicious package in logguru, published on 29 Nov 2025.
Official description
Malicious clone of a legitimate "loguru" package. There is added code to download and run an executable. Sandbox analysis reveals attempts to steal browsers data
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-11-logguru
Reasons (based on the campaign):
clones-real-package
Downloads and executes a remote executable.
infostealer
typosquatting
What should I do about MAL-2025-191783?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.