CVE-2026-3117

MediumCVSS 6.5/10Last modified Oct 14, 2026

Description

Mattermost Plugins versions <=11.5 11.1.5 10.13.11 11.3.4.0 fail to properly check for permissions when processing commands in the Gitlab plugin which allows normal users to uninstall instances or setup webhook connections via the {{gitlab instance {option}}} or the {{/gitlab webhook {option}}} commands. Mattermost Advisory ID: MMSA-2026-00600

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-862

Affected software

No affected versions have been published.

Timeline

Published
May 18, 2026
Last modified
Oct 14, 2026
NVD status
Analyzed

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CVE-2026-3117: Medium severity, CVSS 6.5 | Vulnix