๐Ÿ›ก๏ธ CVE-2026-3117
๐ŸŸก CVSS 6.5 โ€” Medium โœ… No Known Exploit CWE-862 NVD
6.5
CVSS Score
0 Low4 Medium7 High9 Critical10

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

Details

Severity MEDIUM
CVSS Score 6.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE CWE-862
Public Exploit โœ… No
Source NVD
Published 2026-05-18
Updated 2026-06-02
Modified 2026-05-29
Fix URL N/A

Affected Packages

Software From version Fixed in
mattermost-server 11.3.0 11.3.4
unknown โ€” โ€”

References

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