CVE-2026-33465: Elastic Kibana

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Allocation of Resources Without Limits or Throttling (CWE-770) in Kibana can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user with low-level permissions could submit a specially crafted request that causes excessive resource consumption, which may render Kibana unavailable.

Affected products

• Elastic Kibana: from 8.0.0, before 8.19.17 (fixed in 8.19.17); from 9.0.0, before 9.3.0 (fixed in 9.3.0)

Published 2026-09-01. Last modified 2026-09-02.