Go/github.com/mattermost/mattermost-server/v5 CVE-2025-3228: medium 4.3, EPSS 0.29%
Mattermost allows an unauthorized Guest user access to Playbook in github.com/mattermost/mattermost-server
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GO-2025-3771#Go/github.com/mattermost/mattermost-server/v5
- nvd: CVE-2025-3228
- https://github.com/advisories/GHSA-4578-6gjh-f2jm
- https://mattermost.com/security-updates
CVE-2025-3228 · published · modified · JSON