VULNERABILITY INTELLIGENCE

CVE-2025-55074

CVSS score3 LOW
EPSS probability0.18%
CISA KEVNot currently listed
Published2025-11-18
Last modified2026-10-19
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N

Description

Mattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11 fail to enforce access permissions on the Agents plugin which allows other users to determine when users had read channels via channel member objects

Primary references