Auth bypass in Elastic Kibana
CVE-2026-72633
Incorrect Authorization (CWE-863) in Kibana Entity Analytics can lead to a loss of security monitoring via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An authenticated user holding only read-level Security feature access, and no Elasticsearch privileges, could stop the recurring Privilege Monitoring engine task for a Kibana space. Privileged user monitoring then stops producing data for that space while the engine continues to report a healthy state to operators.
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.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-72633?
- CVE-2026-72633 is a medium-severity vulnerability in Elastic Kibana, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-09-01.
- How severe is CVE-2026-72633?
- Medium severity. CVSS v3 base score is 4.3 out of 10.