Go/github.com/mattermost/mattermost-server/v6 CVE-2026-0999: medium 4.3, EPSS 0.20%
Mattermost fails to properly validate login method restrictions 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-2026-4520#Go/github.com/mattermost/mattermost-server/v6
- nvd: CVE-2026-0999
- https://github.com/advisories/GHSA-3c9r-7f29-qp32
- https://github.com/mattermost/mattermost/commit/61651b0df7ea5db55d1e54f8d6fb5fce4149309c
- https://mattermost.com/security-updates
CVE-2026-0999 · published · modified · JSON