Mattermost Summary

Mattermost has published 109 vulnerabilities in 2025.

Vulnerability Breakdown

CRITICAL
6
HIGH
10
MEDIUM
64
LOW
29

Vulnerability Severity By Month 2025

Total Mattermost Vulnerabilities

CRITICAL
23
HIGH
78
MEDIUM
301
LOW
69

Plus 2 vulnerabilities without a severity rating.

Vulnerability Severity By Year

Vulnerability Published Matrix for 2025

Vulnerability Published Matrix for 2024