Go/github.com/mattermost/mattermost-server/v5 CVE-2026-3637: unknown, EPSS 0.15%
Mattermost doesn't check the create_post channel permission during post edit operations 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-2026-5651#Go/github.com/mattermost/mattermost-server/v5
- https://github.com/advisories/GHSA-v549-xx3c-6pc8
- https://nvd.nist.gov/vuln/detail/CVE-2026-3637
- https://github.com/mattermost/mattermost/commit/090408f09f53ffc9afc6c65c7c7c1fd3a8cd22f3
- https://mattermost.com/security-updates
CVE-2026-3637 · published · modified · JSON