GHSA-cgjg-p2m2-qm4p
Mattermost fails to enforce invite permissions when updating team settings
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Go | github.com/mattermost/mattermost/server/v8 | < 8.0.0-20251215190648-6404ab29acc0 | 8.0.0-20251215190648-6404ab29acc0 |
| Go | github.com/mattermost/mattermost-server | < 11.1.3 | no fix listed |
| Go | github.com/mattermost/mattermost-server | < 10.11.10 | no fix listed |
| Go | github.com/mattermost/mattermost-server | < 11.2.2 | no fix listed |
| Go | github.com/mattermost/mattermost-server | < 5.3.2-0.20251215190648-6404ab29acc0 | 5.3.2-0.20251215190648-6404ab29acc0 |
Details
As written in the advisory (Markdown source, shown as plain text).
Mattermost versions 10.11.x <= 10.11.9 fail to enforce invite permissions when updating team settings, which allows team administrators without proper permissions to bypass restrictions and add users to their team via API requests. Mattermost Advisory ID: MMSA-2025-00561
References
External links from the advisory. They lead to third-party sites.