Mattermost versions 10.6.x <= 10.6.1, 10.5.x <= 10.5.2, 10.4.x <= 10.4.4, 9.11.x <= 9.11.11 fail to check the correct permissions which allows authenticated users who only have permission to invite non-guest users to a team to add guest users to that team via the API to add a single user to a team.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| github.com/mattermost/mattermost/server/v8(Go) | 10.6.0 | 10.6.2 | N/A |
| github.com/mattermost/mattermost/server/v8(Go) | 10.5.0 | 10.5.3 | N/A |
| github.com/mattermost/mattermost/server/v8(Go) | 10.4.0 | 10.4.5 | N/A |
| github.com/mattermost/mattermost/server/v8(Go) | 9.11.0 | 9.11.12 | N/A |
| github.com/mattermost/mattermost/server/v8(Go) | 0 | 8.0.0-20250415054241-76ab3867b785 | N/A |
CVSS Metrics
