CVE-2025-55074

Published: Nov 18, 2025

Modified: Nov 18, 2025

PUBLISHED

CVSS v3.1

3.0

LOW

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

Vendor	Product	Versions
Mattermost	Mattermost	affected `10.11.0 - <= 10.11.3` affected `10.5.0 - <= 10.5.11` unaffected `11.0.0` unaffected `10.11.4` unaffected `10.5.12`

Weaknesses (CWE)

CWE-1426

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

None

Availability

None

References

https://mattermost.com/security-updates

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CVE-2025-55074

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References