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Hidden Telegram proxy links can reveal your IP address in one click

ID: f32f0ed8-7f9d-5385-a794-a869a9ef4826

STIX ID: report--f32f0ed8-7f9d-5385-a794-a869a9ef4826

Feed Name: Bleeping Computer

Threat Score
50/100

Date Published: 2026-01-12

Date Updated: 2026-04-20

Author: Ax Sharma

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A privacy vulnerability in Telegram's handling of t.me/proxy links can cause mobile clients to auto-connect to attacker-controlled MTProto proxies when a user taps a disguised link, allowing the proxy operator to log the user's real IP address; researchers demonstrated a PoC and Telegram says it will add warnings to proxy links while downplaying the issue.

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