CVE-2025-2527
MEDIUM4.3EPSS 0.17%Mattermost Fails to Verify User's Permissions When Accessing Groups in github.com/mattermost/mattermost-server
Published: 5/15/2025Modified: 3/3/2026
Description
Mattermost Fails to Verify User's Permissions When Accessing Groups in github.com/mattermost/mattermost-server
Affected packages (5)
- Go/github.com/mattermost/mattermost-server>= 9.11.0+incompatible, < 9.11.12+incompatible, >= 10.5.0+incompatible, < 10.5.3+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, < 10.5.3
- Go/github.com/mattermost/mattermost/server/v8from 0, < 8.0.0-20250411064244-844447fbd57c
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 |