This release includes security fixes for teams reviewing exposed deployments.
✓ No known CVEs patched in this version
Topics
ReleasePort's take
Light signalMattermost v11.6.3 addresses medium-severity security vulnerabilities. Operators should evaluate and apply this patch.
Why it matters: Mattermost v11.6.3 patches medium-severity security issues. Review release notes and patch non-production environments first; promote to production after validation.
Summary
AI summaryMedium-severity security fixes applied.
Changes in this release
| Type | Severity | Summary | CVE |
|---|---|---|---|
| Security | Medium |
Release contains medium severity security fixes. Release contains medium severity security fixes. Source: llm_adapter@2026-05-21 Confidence: high |
— |
Changelog
Mattermost Platform Release 11.6.3 contains medium severity level security fixes.
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About mattermost
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
Beta — feedback welcome: [email protected]