CVE-2026-3108
Published: Mar 26, 2026
Modified: Mar 27, 2026
CVSS v3.1
8.0
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
| Vendor | Product | Versions |
|---|---|---|
Mattermost | Mattermost | affected 11.2.0 - <= 11.2.2affected 10.11.0 - <= 10.11.10affected 11.4.0 - <= 11.4.0affected 11.3.0 - <= 11.3.1unaffected 11.5.0+4 more versions |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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