MAL-2025-191847 Malicious code in pytzv (PyPI)
Malicious package
Published
MAL-2025-191847 is a malicious package: pytzv (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-2025-191847/ (Markdown: https://insights.sbomify.com/MAL-2025-191847/index.md)
- Package
- pytzv
- Registry
- PyPI
What is MAL-2025-191847?
MAL-2025-191847 is a malicious package in pytzv, published on 25 Apr 2025.
Official description
Importing the module starts exfiltration of ".session" files, which appear to be used at least by one Telegram library (https://docs.telethon.dev/en/stable/concepts/sessions.html#what-are-sessions) to store credentials
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-04-qtpv
Reasons (based on the campaign):
files-exfiltration
target:telegram
What should I do about MAL-2025-191847?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.