An issue was discovered in Mattermost Server before 5.16.1, 5.15.2, 5.14.5, and 5.9.6. It allows attackers to obtain sensitive information (local files) during legacy attachment migration.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mattermost_server | Mattermost | * | 5.9.6 (excluding) |
| Mattermost_server | Mattermost | 5.14.0 (including) | 5.14.5 (excluding) |
| Mattermost_server | Mattermost | 5.15.0 (including) | 5.15.2 (excluding) |
| Mattermost_server | Mattermost | 5.16.0 (including) | 5.16.1 (excluding) |