Go/github.com/mattermost/mattermost-server/v6 CVE-2026-26246: medium 4.3, EPSS 0.22%
Mattermost fails to bound memory allocation when processing PSD image files 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-2026-4727#Go/github.com/mattermost/mattermost-server/v6
- nvd: CVE-2026-26246
- https://mattermost.com/security-updates
CVE-2026-26246 · published · modified · JSON