CVE-2018-15542: Telegram

Medium severity, CVSS 6.4. EPSS: 0.3% chance of exploitation in the next 30 days.

An issue was discovered in the org.telegram.messenger application 4.8.11 for Android. The Passcode feature allows authentication bypass via runtime manipulation that forces a certain method's return value to true. In other words, an attacker could authenticate with an arbitrary passcode. NOTE: the vendor indicates that this is not an attack of interest within the context of their threat model, which excludes Android devices on which rooting has occurred

Affected products

Published 2018-10-09. Last modified 2026-06-17.