MAL-2025-191915

    Dashboard / Malicious Package / MAL-2025-191915

    MAL-2025-191915

    Published: 4 Apr 2025Last Modified: 12 Dec 2025

    Summary: Malicious code in ultrafasttelethon (PyPI)

    Details: Source: kam193 (73a960b0cd2d21f8bde61f22f956a4c2a02ccddd9e1277eef23d3d8e0406cba4) 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

    References: https://bad-packages.kam193.eu/pypi/package/ultrafasttelethon

    Affected packages

    Package

    Name: ultrafasttelethon

    Purl: pkg:pypi/ultrafasttelethon

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    1.39.0
    1.39.0.1
    1.39.0.2
    1.39.0.3
    MAL-2025-191915 | CVE-DB