Mattermost server Vulnerabilities
Security vulnerability tracking for Mattermost Mattermost server
1
0
0
1
Vulnerability Timeline
1 vulnerabilities discovered over time for Mattermost server
Severity Distribution
| Description | Vendor / Product | Exploit Status | |||
|---|---|---|---|---|---|
| CVE-2026-22892 | 4.3 | An attacker who has access to the Jira plugin in Mattermost can exploit a flaw to read messages and attachments from private channels they shouldn't have access to by using the ID of a specific post. This vulnerability affects certain versions of Mattermost and requires the attacker to be authenticated in the system. | mattermostmattermost server | Theoretical | 8 days agoFeb 13, 2026 |
About Mattermost Mattermost server Security
This page provides comprehensive security vulnerability tracking for Mattermost Mattermost server. Our database includes all CVEs affecting this product, updated in real-time from official sources.
Each vulnerability listing includes detailed CVSS severity analysis, exploit availability status, AI-generated explanations, and direct links to official security patches and vendor advisories.
Security Recommendations
- • Always keep Mattermost server updated to the latest version
- • Subscribe to security advisories from Mattermost
- • Monitor this page for new vulnerabilities affecting your version
- • Prioritize patching critical and high severity issues immediately