Mattermost fails to properly check the creator of an attached file when adding the file to a draft post, potentially exposing unauthorized file information.
| Software | From | Fixed in |
|---|---|---|
| mattermost / mattermost_server | 8.1.0 | 8.1.2 |
| mattermost / mattermost_server | 8.0.0 | 8.0.3 |
| mattermost / mattermost_server | - | 7.8.11 |