mattermost

v11.8.4 Security

This release includes security fixes for teams reviewing exposed deployments.

Published 10d Communication & Email

✓ No known CVEs patched

✓ No known CVEs patched in this version

Topics

collaboration go mattermost monorepo react react-native

Summary

AI summary

Medium to High severity security fixes

Type	Severity	Summary	CVE
Security	High	Fixes medium to high severity security issues Fixes medium to high severity security issues Source: llm_adapter@2026-07-17 Confidence: low	—

Changelog

Mattermost Platform Release 11.8.4 contains Medium to High 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..