Mattermost Summary

Mattermost has published 45 vulnerabilities in 2025.

Vulnerability Breakdown

CRITICAL
4
HIGH
2
MEDIUM
26
LOW
13

Vulnerability Severity By Month 2025

Total Mattermost Vulnerabilities

CRITICAL
21
HIGH
71
MEDIUM
263
LOW
52

Plus 2 vulnerabilities without a severity rating.

Vulnerability Severity By Year

Vulnerability Published Matrix for 2025

Vulnerability Published Matrix for 2024