Mattermost Summary

Mattermost has published 96 vulnerabilities in 2025.

Vulnerability Breakdown

CRITICAL
4
HIGH
10
MEDIUM
57
LOW
25

Vulnerability Severity By Month 2025

Total Mattermost Vulnerabilities

CRITICAL
21
HIGH
78
MEDIUM
294
LOW
65

Plus 2 vulnerabilities without a severity rating.

Vulnerability Severity By Year

Vulnerability Published Matrix for 2025

Vulnerability Published Matrix for 2024