Auth bypass in Metabase
CVE-2026-86116
Metabase versions before 0.63.1 fail to enforce data analyst permission checks on glossary API endpoints, allowing any authenticated user to create, modify, and delete glossary entries. Attackers can submit requests to POST, PUT, and DELETE glossary endpoints to tamper with instance-wide business glossary data without proper authorization.
Vulnerability class: Broken Access Control
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
Affected products
Weakness classification (CWE)
References
- disclosure@vulncheck.com (technical-description)
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (technical-description)
- disclosure@vulncheck.com (patch)
- disclosure@vulncheck.com (release-notes)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-86116?
- CVE-2026-86116 is a medium-severity vulnerability in Metabase, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-09-05.
- How severe is CVE-2026-86116?
- Medium severity. CVSS v3 base score is 6.5 out of 10.