6.5
CVE-2026-3117
- EPSS 0.23%
- Veröffentlicht 18.05.2026 08:09:57
- Zuletzt bearbeitet 29.05.2026 19:12:05
- Quelle responsibledisclosure@mattermo
- CVE-Watchlists
- Unerledigt
Instance and webhook GitLab plugin commands were able to be run by non-admin users
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-2026-00600Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mattermost ≫ Mattermost Server Version >= 10.13.0 <= 10.13.11
Mattermost ≫ Mattermost Server Version >= 11.1.0 <= 11.1.5
Mattermost ≫ Mattermost Server Version >= 11.3.0 <= 11.3.4
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. 
Login
Login| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.23% | 0.134 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| responsibledisclosure@mattermost.com | 6.5 | 2.8 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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CWE-862 Missing Authorization
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
https://mattermost.com/security-updates