Go/github.com/mattermost/mattermost-server/v6 CVE-2026-4286: unknown, EPSS 0.14%
Mattermost doesn't check if {{team_id}} was being changed when updating playbooks in github.com/mattermost/mattermost-plugin-playbooks
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GO-2026-5404#Go/github.com/mattermost/mattermost-server/v6
- https://github.com/advisories/GHSA-gvg4-jhmr-6j23
- https://nvd.nist.gov/vuln/detail/CVE-2026-4286
- https://github.com/mattermost/mattermost-plugin-playbooks/commit/e1d6ec2c94e695fb74e0c0c11c0d45e028bb96f3
- https://mattermost.com/security-updates
CVE-2026-4286 · published · modified · JSON