CVE-2025-2564
MEDIUM4.3EPSS 0.19%Mattermost Incorrect Authorization vulnerability
Published: 4/16/2025Modified: 2/4/2026
Description
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to properly enforce the 'Allow users to view/update archived channels' System Console setting, which allows authenticated users to view members and member information of archived channels even when this setting is disabled.
Affected packages (5)
- Go/github.com/mattermost/mattermost-server>= 9.11.0+incompatible, < 9.11.10+incompatible, >= 10.4.0+incompatible, < 10.4.4+incompatible, >= 10.5.0+incompatible, < 10.5.2+incompatible
- Go/github.com/mattermost/mattermost-server/v5from 0
- Go/github.com/mattermost/mattermost-server/v6from 0
- Go/github.com/mattermost/mattermost/server/v8>= 10.5.0, < 10.5.2
- Go/github.com/mattermost/mattermost/server/v8from 0, < 8.0.0-20250314142426-c049748b8863
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |