Mattermost versions 11.0.x <= 11.0.2, 10.12.x <= 10.12.1, 10.11.x <= 10.11.4, 10.5.x <= 10.5.12 fail to sanitize team email addresses to be visible only to Team Admins, which allows any authenticated user to view team email addresses via the GET /api/v4/channels/{channel_id}/common_teams endpoint
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| github.com/mattermost/mattermost/server/v8(Go) | 0 | 8.0.0-20251015091448-abbf01b9db45 | N/A |
| github.com/mattermost/mattermost-server(Go) | 11.0.0 | 11.0.3 | N/A |
| github.com/mattermost/mattermost-server(Go) | 10.12.0 | 10.12.2 | N/A |
| github.com/mattermost/mattermost-server(Go) | 10.11.0 | 10.11.5 | N/A |
| github.com/mattermost/mattermost-server(Go) | 10.5.0 | 10.5.13 | N/A |
CVSS Metrics
