medium5.4
CVE-2025-3230
Mattermost fails to properly invalidate personal access tokens upon user deactivation
Impact
Mattermost versions 10.7.x <= 10.7.0, 10.6.x <= 10.6.2, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fails to properly invalidate personal access tokens upon user deactivation, allowing deactivated users to maintain full system access by exploiting access token validation flaws via continued usage of previously issued tokens.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost/server/v8 | >= 10.7.0-rc1, < 10.7.1 | 10.7.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mattermost | Mattermost Server | from 9.11.0 before 9.11.13 from 10.5.0 before 10.5.4 from 10.6.0 before 10.6.3 from 10.7.0 before 10.7.1 |