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pypi

ultrafasttelethon@1.39.0.3

Vulnerability report · Last retrieved from osv.dev October 8, 2026 at 3:44 PM UTC

Malicious

OSV ID

MAL-2025-191915

Ecosystem

pypi

Summary

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

Source: kam193 (73a960b0cd2d21f8bde61f22f956a4c2a02ccddd9e1277eef23d3d8e0406cba4)

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