Open Whisper Signal (aka Signal-Desktop) before 1.15.0-beta.10 allows information leakage.
https://www.youtube.com/watch?v=oSJscEei5SE&app=desktop
http://n0sign4l.blogspot.com/2018/08/advisory-id-n0sign4l-002-risk-level-4-5.html?m=1
Source: Mitre, NVD
Published: 2018-08-20
Updated: 2026-06-17
Base Score: 2.1
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N
Severity: Low
Base Score: 4
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Severity: Medium
EPSS: 0.00069