medium4.3
CVE-2025-3446
Mattermost Fails to Validate Team Invite Permissions
Impact
Mattermost versions 10.6.x <= 10.6.1, 10.5.x <= 10.5.2, 10.4.x <= 10.4.4, 9.11.x <= 9.11.11 fail to check the correct permissions which allows authenticated users who only have permission to invite non-guest users to a team to add guest users to that team via the API to add a single user to a team.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost/server/v8 | >= 10.6.0, <= 10.6.1 | 10.6.2 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mattermost | Mattermost Server | from 9.11.0 before 9.11.12 from 10.4.0 before 10.4.5 from 10.5.0 before 10.5.3 from 10.6.0 before 10.6.2 |