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CVE-2025-55074

nvd nist
Published: Nov 18, 2025Modified: Jun 17, 2026

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3.5
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Exploitability: 2.1 / Impact: 1.4
Source: NVD

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

Affected (2)

1 product
Mattermost Server
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Mattermost
From 10.11.0 to 10.11.4
From 10.5.0 to 10.5.12

References (1)

Source: responsibledisclosure@mattermost.com
Vendor Advisory

Timeline

No history available yet.