CVE-2025-3611

Improper Access Control in Mattermost allows System Managers to view team details despite role restrictions

State: Published
Severity: 3.1 Low
Published: May 30, 2025
Updated: May 30, 2025
Reserved: Apr 14, 2025

Description

Mattermost versions 10.7.x <= 10.7.0, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fails to properly enforce access control restrictions for System Manager roles, allowing authenticated users with System Manager privileges to view team details they should not have access to via direct API requests to team endpoints, even when explicitly configured with 'No access' to Teams in the System Console.

Scores

CVSS	Score	Vector	Source
3.1	3.1 Low	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N	Mattermost

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
MattermostMattermost	10.7.0Affected 10.5.0 through 10.5.3Affected 9.11.0 through 9.11.12Affected 10.8.0Not affected 10.7.1Not affected 10.5.4Not affected 9.11.13Not affected

References

https://mattermost.com/security-updates

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