CVE-2024-8071

HighCVSS 7.2/10Last modified Jun 17, 2026

Description

Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to restrict which roles can promote a user as system admin which allows a System Role with edit access to the permissions section of system console to update their role (e.g. member) to include the `manage_system` permission, effectively becoming a System Admin.

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-284

Affected software

Vendor	Product	Versions
Mattermost	Mattermost	>= 9.9.0, <= 9.9.1; >= 9.5.0, <= 9.5.7; 9.10.0; >= 9.8.0, <= 9.8.2

References

https://mattermost.com/security-updatesVendor Advisory

Timeline

Published: Aug 22, 2024
Last modified: Jun 17, 2026
NVD status: Analyzed

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