CVE-2026-7387
CVE-2026-7387
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 Mattermost fails to require role-management authorization when setting the scheme_admin flag on group syncable link and patch endpoints, which…
Vulnerability class: Broken Access Control
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-7387?
- CVE-2026-7387 is a high-severity vulnerability, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2026-06-12.
- How severe is CVE-2026-7387?
- High severity. CVSS v3 base score is 8.8 out of 10.