Headline
GHSA-h356-3mfw-x368: Mattermost Fails to Verify User's Permissions When Accessing Groups
Mattermost versions 10.5.x <= 10.5.2, 9.11.x <= 9.11.11 failed to properly verify a user’s permissions when accessing groups, which allows an attacker to view group information via an API request.
- GitHub Advisory Database
- GitHub Reviewed
- CVE-2025-2527
Mattermost Fails to Verify User’s Permissions When Accessing Groups
Moderate severity GitHub Reviewed Published May 15, 2025 to the GitHub Advisory Database • Updated May 17, 2025
Package
gomod github.com/mattermost/mattermost/server/v8 (Go)
Affected versions
>= 10.5.0, <= 10.5.2
>= 9.11.0, <= 9.11.11
< 8.0.0-20250411064244-844447fbd57c
Patched versions
10.5.3
9.11.12
8.0.0-20250411064244-844447fbd57c
Description
Published to the GitHub Advisory Database
May 15, 2025
Last updated
May 17, 2025