Headline
GHSA-h4rr-f37j-4hh7: Mattermost Incorrect Authorization vulnerability
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to check the “Allow Users to View Archived Channels” configuration when fetching channel metadata of a post from archived channels, which allows authenticated users to access such information when a channel is archived.
- GitHub Advisory Database
- GitHub Reviewed
- CVE-2025-27571
Mattermost Incorrect Authorization vulnerability
Moderate severity GitHub Reviewed Published Apr 16, 2025 to the GitHub Advisory Database • Updated Apr 16, 2025
Package
gomod github.com/mattermost/mattermost/server/v8 (Go)
Affected versions
>= 10.5.0, < 10.5.2
>= 10.4.0, < 10.4.4
>= 9.11.0, < 9.11.10
< 8.0.0-20250314142426-c049748b8863
Patched versions
10.5.2
10.4.4
9.11.10
8.0.0-20250314142426-c049748b8863
Published to the GitHub Advisory Database
Apr 16, 2025
Last updated
Apr 16, 2025