Mattermost versions 10.5.x <= 10.5.8, 9.11.x <= 9.11.17 fail to properly validate access controls which allows any authenticated user to download sensitive files via board file download endpoint using UUID enumeration
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| github.com/mattermost/mattermost-plugin-boards(Go) | 0 | 0.0.0-20250716054606-3f3e3becfe1d | N/A |
| github.com/mattermost/mattermost/server/v8(Go) | 0 | 8.0.0-20250721095935-11c36f4d1e44 | N/A |
| github.com/mattermost/mattermost-server(Go) | 10.5.0-rc1 | 10.5.9 | N/A |
| github.com/mattermost/mattermost-server(Go) | 9.11.0-rc1 | 9.11.18 | N/A |
CVSS Metrics
