An issue was discovered in Mattermost Server before 4.4.3 and 4.3.3. Attackers could reconfigure an OAuth app in some cases where Mattermost is an OAuth 2.0 service provider.
| Software | From | Fixed in |
|---|---|---|
| mattermost / mattermost_server | - | 4.3.3 |
| mattermost / mattermost_server | 4.4.0 | 4.4.3 |