medium4.3
CVE-2025-12756
Mattermost fails to validate user permissions when deleting comments in Boards
Impact
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 validate user permissions when deleting comments in Boards, which allows an authenticated user with the editor role to delete comments created by other users.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost/server/v8 | <= 8.0.0-20251013062617-7977e7e6dae3 | none recorded |
| go | github.com/mattermost/mattermost | >= 10.11.0, <= 10.11.4 | none recorded |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mattermost | Mattermost Server | from 10.5.0 before 10.5.13 from 10.11.0 before 10.11.5 from 10.12.0 before 10.12.2 from 11.0.0 before 11.0.3 |