MAL-2025-48911 Malicious code in yuzo (PyPI)
Malicious package
Published
MAL-2025-48911 is a malicious package: yuzo (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-2025-48911/ (Markdown: https://insights.sbomify.com/MAL-2025-48911/index.md)
- Package
- yuzo
- Registry
- PyPI
What is MAL-2025-48911?
MAL-2025-48911 is a malicious package in yuzo, published on 19 Sep 2025.
Official description
Package contains an infostealer and is clearly prepared for using it. Different versions present different variations, newer are based on CStealer. The exfiltration target is a hardcoded discord webhook
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-09-suyo
Reasons (based on the campaign):
infostealer
infostealer:cstealer
exfiltration-browser-data
What should I do about MAL-2025-48911?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.