CVEvulnerability

CVE-2026-3117

6.5 MEDIUM Published 2026-05-18 Modified 2026-10-14 Official page ↗
Status
Analyzed
Published
2026-05-18
Last modified
2026-10-14
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-862

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

Affected configurations

• mattermost mattermost server (>= 10.13.0 <= 10.13.11) • mattermost mattermost server (>= 11.1.0 <= 11.1.5) • mattermost mattermost server (>= 11.3.0 <= 11.3.4)

Related

Weakness · CWE (1)

  • CWE-862 Missing Authorization weakness

References