Go/github.com/mattermost/mattermost-server/v5 CVE-2026-2578: medium 4.3, EPSS 0.23%
Mattermost fails to preserve the redacted state of burn-on-read posts during deletion 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-2026-4734#Go/github.com/mattermost/mattermost-server/v5
- nvd: CVE-2026-2578
- https://github.com/advisories/GHSA-3rhr-jr63-hwq5
- https://github.com/mattermost/mattermost/commit/c6b205f0d77080ef805783de0628b9526af7faec
- https://mattermost.com/security-updates
CVE-2026-2578 · published · modified · JSON