CVE-2026-33464
Medium
Description
Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user holding a low-privileged role can submit a specially crafted, oversized payload to an internal Kibana API, causing the Kibana process to exhaust available resources and become unresponsive to all users until the service recovers or is restarted.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Elastic Kibana
PublishedMay 28, 2026
First seenMay 28, 2026
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Update
- elastic kibana8.19.16, 9.3.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| elastic kibana | 8.0.0 ≤ v < 8.19.16, 9.0.0 ≤ v < 9.3.5, 9.4.0 | 8.19.16, 9.3.5 |
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