| Threat | Effect | Fix | |--------|--------|-----| | | App crashes, still accessible via Web | Delete bad message | | Spam Bot | Floods messages, slow performance | Mute + delete chat | | Account Takeover | Hacker logs in via SMS code | 2FA + terminate sessions | | Session Hijacking | Attacker uses stolen auth key | Force re-login on all devices | | Zero-Day Exploit | Remote code execution (rare) | Update immediately |
. Developers have marked these issues as "fix coming" on the official Telegram bug platform Common Triggers "Crush" or crash bugs are often triggered by: Invisible Character Strings