CVE-2025-1792

Improper Access Control in Mattermost Channel Member API

State: Published
Severity: 3.1 Low
Published: May 30, 2025
Updated: Jun 12, 2025
Reserved: Feb 28, 2025

Description

Mattermost versions 10.7.x <= 10.7.0, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fail to properly enforce access controls for guest users accessing channel member information, allowing authenticated guest users to view metadata about members of public channels via the channel members API endpoint.

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	10.5.0 through 10.5.3Affected 9.11.0 through 9.11.12Affected 10.8.0Not affected 10.5.4Not affected 9.11.13Not affected

References

https://mattermost.com/security-updates

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