Mattermost Summary
Mattermost has published 139 vulnerabilities in 2026.
1 have exploits 👾
Vulnerability Breakdown
- CRITICAL
- 0
- HIGH
- 15
- MEDIUM
- 98
- LOW
- 26
Vulnerability Severity By Month 2026
Total Mattermost Vulnerabilities
- CRITICAL
- 23
- HIGH
- 93
- MEDIUM
- 404
- LOW
- 104
Plus 2 vulnerabilities without a severity rating.