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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 | - |