Go/github.com/mattermost/mattermost-server/v6 CVE-2026-4055: unknown, EPSS 0.15%
Mattermost has an Incorrect Authorization issue 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-2026-5173#Go/github.com/mattermost/mattermost-server/v6
- https://github.com/advisories/GHSA-6cfr-wp44-6qmv
- https://nvd.nist.gov/vuln/detail/CVE-2026-4055
- https://mattermost.com/security-updates
CVE-2026-4055 · published · modified · JSON