Go/github.com/mattermost/mattermost-server/v5 CVE-2025-12559: medium 4.3, EPSS 0.22%
Mattermost fails to sanitize team email addresses 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-2025-4169#Go/github.com/mattermost/mattermost-server/v5
- nvd: CVE-2025-12559
- https://github.com/advisories/GHSA-4g87-9x45-cx2h
- https://github.com/mattermost/mattermost/commit/5d8719042c1807da59ac8a821624eb01152d8495
- https://github.com/mattermost/mattermost/commit/649aee8fa9184ca59bd66022a33b8f8918e413aa
- https://github.com/mattermost/mattermost/commit/7ccb62db7958abd6a4b21a06c5a4f5367a8f8b1f
- https://github.com/mattermost/mattermost/commit/9f54e5cdc3aef412945ff0e6a58338f7b549bdda
- https://github.com/mattermost/mattermost/commit/abbf01b9db45d1850eaf3701ea8362b910193ffd
- https://github.com/mattermost/mattermost/pull/34110
- https://mattermost.com/security-updates
CVE-2025-12559 · published · modified · JSON