CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 8.0. See the original NVD description below for full technical details.
CVE
CVE-2026-3108
Severity
HIGH
CVSS
8
EPSS
0.28%
Original NVD Description
Mattermost versions 11.2.x <= 11.2.2, 10.11.x <= 10.11.10, 11.4.x <= 11.4.0, 11.3.x <= 11.3.1 fail to sanitize user-controlled post content in the mmctl commands terminal output which allows attackers to manipulate administrator terminals via crafted messages containing ANSI and OSC escape sequences that enable screen manipulation, fake prompts, and clipboard hijacking.. Mattermost Advisory ID: MMSA-2026-00599
Related CVEs
Other vulnerabilities affecting the same vendor(s)