CVE-2026-75587EPSS p2.4%

CVE-2026-75587CVE-2026-75587

mattermost / mattermost_desktop

Description

Mattermost Desktop App versions <=6.2 6.2.2.0 fail to redact the pre-auth secret when generating a diagnostics report, which allows a local attacker with access to a user's diagnostics report or log files to obtain the plaintext pre-auth secret configured for a connected server via inspecting the Server Connectivity (Step-3) diagnostics output. Mattermost Advisory ID: MMSA-2026-00716

Scoring

CVSS 3.6 ()
VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
EPSS0.13% probability of exploitation · percentile 2.4% · 2026-10-05T12:00:23Z
Last modified2026-08-19
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.