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Showing 20 of 21 CVEs | How we assess risk →

CVE ID Title Score Severity Date ▼
CVE-2025-12756 Mattermost Comment Deletion Vulnerability 4.3 MEDIUM 2025-12-01
CVE-2025-12419 Mattermost OAuth Bypass 9.9 CRITICAL 2025-11-27
CVE-2025-12421 Mattermost Security Vulnerability 9.9 CRITICAL 2025-11-27
CVE-2025-12559 Mattermost Team Email Visibility Bypass 4.3 MEDIUM 2025-11-27
CVE-2025-55070 Mattermost WebSocket Authentication Bypass 6.5 MEDIUM 2025-11-14
CVE-2025-55073 Mattermost OAuth Bypass 5.4 MEDIUM 2025-11-14
CVE-2025-11776 Mattermost Channel Search API Bypass 4.3 MEDIUM 2025-11-14
CVE-2025-11794 Mattermost Security Vulnerability 4.9 MEDIUM 2025-11-14
CVE-2025-59480 Mattermost Mobile App Vulnerability 6.1 MEDIUM 2025-11-13
CVE-2025-55035 Mattermost Desktop App Vulnerability 6.1 MEDIUM 2025-10-16
CVE-2025-41410 Mattermost Slack Import Vulnerability 5.4 MEDIUM 2025-10-16
CVE-2025-41443 Mattermost Channel Info Disclosure 4.3 MEDIUM 2025-10-16
CVE-2025-9079 Mattermost Plugin Vulnerability 8.0 HIGH 2025-09-19
CVE-2025-9081 Mattermost Security Vulnerability 3.1 LOW 2025-09-19
CVE-2025-9072 Mattermost SAML Redirect Vulnerability 7.6 HIGH 2025-09-15
CVE-2025-9076 Mattermost Shared Channel Membership Synchronizati... 6.5 MEDIUM 2025-09-15
CVE-2025-9078 Mattermost Cache Key Validation Bypass 4.3 MEDIUM 2025-09-15
CVE-2025-9084 Mattermost Redirect Vulnerability 3.1 LOW 2025-09-15
CVE-2025-62190 Mattermost Calls Widget CSRF Bypass - N/A -
CVE-2025-12689 Mattermost WebSocket Crash - N/A -