CVE-2026-3108

Mattermost: CVE-2026-3108 affects versions 11.2.x up to 11.2.2, 10.11.x up to 10.11.10, 11.4.x up to 11.4.0, and 11.3.x up to 11.3.1. The vulnerability arises from failure to sanitize user-controlled post content in mmctl commands terminal output, allowing crafted messages with ANSI/OSC escape se...