CVE-2026-6689
CVE-2026-6689
Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.11.x <= 10.11.15, 10.11.x <= 10.11.16 Fail to enforce PermissionInviteUser when setting AllowOpenInvite or AllowedDomains during team creation (the check was only applied on update…
Vulnerability class: Broken Access Control
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-6689?
- CVE-2026-6689 is a medium-severity vulnerability, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-06-12.
- How severe is CVE-2026-6689?
- Medium severity. CVSS v3 base score is 4.3 out of 10.