MAL-2025-191852 Malicious code in readosso (PyPI)
Malicious package
Published
MAL-2025-191852 is a malicious package: readosso (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-2025-191852/ (Markdown: https://insights.sbomify.com/MAL-2025-191852/index.md)
- Package
- readosso
- Registry
- PyPI
What is MAL-2025-191852?
MAL-2025-191852 is a malicious package in readosso, published on 20 Sep 2025.
Official description
Package automatically starts a Discord bot waiting for instructions to download and start a remote executable
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-09-readosso
Reasons (based on the campaign):
- Downloads and executes a remote executable.
What should I do about MAL-2025-191852?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.