Mattermost versions 10.5.x <= 10.5.1, 9.11.x <= 9.11.9 fail to check if a file has been deleted when creating a bookmark which allows an attacker who knows the IDs of deleted files to obtain metadata of the files via bookmark creation.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| github.com/mattermost/mattermost/server/v8(Go) | 10.5.0 | 10.5.2 | N/A |
| github.com/mattermost/mattermost/server/v8(Go) | 9.11.0 | 9.11.10 | N/A |
| github.com/mattermost/mattermost/server/v8(Go) | 0 | 8.0.0-20250213231113-68c11e9ecb71 | N/A |
CVSS Metrics