medium4.3
CVE-2023-6202
Mattermost Improper Access Control vulnerability
Impact
Mattermost fails to perform proper authorization in the `/plugins/focalboard/api/v2/users` endpoint allowing an attacker who is a guest user and knows the ID of another user to get their information (e.g. name, surname, nickname) via Mattermost Boards.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost/server/v8 | >= 9.1.0, < 9.1.1 | 9.1.1 |
| go | github.com/mattermost/mattermost-server/v6 | < 7.8.13 | 7.8.13 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mattermost | Mattermost | through 7.8.12 from 8.0.0 through 8.1.3 |