An issue was discovered in Telegram Messenger 2.6 for iOS and 1.8.2 for Android. Secret chat messages are available in cleartext in process memory and a .db file.
https://blog.zimperium.com/telegram-hack/
Source: Mitre, NVD
Published: 2017-03-14
Updated: 2026-05-13
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Severity: High
EPSS: 0.003