Go/github.com/mattermost/mattermost-server/v6 CVE-2026-6346: high 8.7, EPSS 0.30%
Mattermost doesn't sanitize sensitive configuration fields before including them in support packet generation 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-2026-5293#Go/github.com/mattermost/mattermost-server/v6
- nvd: CVE-2026-6346
- https://github.com/advisories/GHSA-9p64-jpc7-m2rp
- https://github.com/mattermost/mattermost/commit/fac92f4a71f356009e27983a980f729f599e8ba5
- https://mattermost.com/security-updates
CVE-2026-6346 · published · modified · JSON