Headline
GHSA-h5v9-xw2g-7hrq: Mattermost allows members with permission to convert public channels to private and convert private to public
Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8 fail to to enforce channel conversion restrictions, which allows members with permission to convert public channels to private ones to also convert private ones to public.
- GitHub Advisory Database
- GitHub Reviewed
- CVE-2025-27933
Mattermost allows members with permission to convert public channels to private and convert private to public
Moderate severity GitHub Reviewed Published Mar 21, 2025 to the GitHub Advisory Database • Updated Mar 21, 2025
Package
gomod github.com/mattermost/mattermost-server (Go)
Affected versions
< 9.11.9
gomod github.com/mattermost/mattermost/server/v8 (Go)
>= 10.4.0, < 10.4.3
>= 10.3.0, < 10.3.4
>= 9.11.0, < 9.11.9
< 8.0.0-20250218135018-e644e3c8e393
10.4.3
10.3.4
9.11.9
8.0.0-20250218135018-e644e3c8e393
Published to the GitHub Advisory Database
Mar 21, 2025
Last updated
Mar 21, 2025