Mattermost Summary

Mattermost has published 50 vulnerabilities in 2025.

Vulnerability Breakdown

CRITICAL
4
HIGH
2
MEDIUM
29
LOW
15

Vulnerability Severity By Month 2025

Total Mattermost Vulnerabilities

CRITICAL
21
HIGH
70
MEDIUM
266
LOW
55

Plus 2 vulnerabilities without a severity rating.

Vulnerability Severity By Year

Vulnerability Published Matrix for 2025

Vulnerability Published Matrix for 2024