Go/github.com/mattermost/mattermost-server/v5 CVE-2026-3112: unknown
Mattermost allows system administrators to read arbitrary host files via malicious AdvancedLoggingJSON configuration 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-2026-5092#Go/github.com/mattermost/mattermost-server/v5
- https://github.com/advisories/GHSA-3mw5-466q-295q
- https://nvd.nist.gov/vuln/detail/CVE-2026-3112
- https://mattermost.com/security-updates
CVE-2026-3112 · published · modified · JSON