VULNERABILITY INTELLIGENCE

CVE-2026-75587

CVSS score3.6 LOW
EPSS probability0.13%
CISA KEVNot currently listed
Published2026-08-17
Last modified2026-08-19
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

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

Weakness classification

  • responsibledisclosure@mattermost.com: CWE-200

Primary references