Mattermost Summary

Mattermost has published 60 vulnerabilities in 2025.

Vulnerability Breakdown

CRITICAL
5
HIGH
2
MEDIUM
38
LOW
15

Vulnerability Severity By Month 2025

Total Mattermost Vulnerabilities

CRITICAL
22
HIGH
70
MEDIUM
275
LOW
55

Plus 2 vulnerabilities without a severity rating.

Vulnerability Severity By Year

Vulnerability Published Matrix for 2025

Vulnerability Published Matrix for 2024