MAL-2025-191724 Malicious code in fastgram (PyPI)
Malicious package
Published
MAL-2025-191724 is a malicious package: fastgram (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-2025-191724/ (Markdown: https://insights.sbomify.com/MAL-2025-191724/index.md)
- Package
- fastgram
- Registry
- PyPI
What is MAL-2025-191724?
MAL-2025-191724 is a malicious package in fastgram, published on 4 Apr 2025.
Official description
Clone of Telethon package that exfiltrates credentials. See client/telegrambaseclient.py L608-626 (exfiltration function) and client/auth.py L163 (usage).
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-04-fastgram
Reasons (based on the campaign):
clones-real-package
action-hidden-in-lib-usage
exfiltration-generic
What should I do about MAL-2025-191724?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.