CVE-2026-33459
MEDIUM6.5EPSS 0.05%Uncontrolled Resource Consumption in Kibana Leading to Denial of Service
Published: 4/13/2026Modified: 4/13/2026
Also known as:BIT-elk-2026-33459BIT-kibana-2026-33459
Description
Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user with access to the automatic import feature can submit specially crafted requests with excessively large input values. When multiple such requests are sent concurrently, the backend services become unstable, resulting in service disruption and deployment unavailability for all users.
Affected packages (2)
- Bitnami/elk>= 8.0.0, < 8.19.14, >= 9.0.0, < 9.2.8, >= 9.3.0, < 9.3.3
- Bitnami/kibana>= 8.0.0, < 8.19.14, >= 9.0.0, < 9.2.8, >= 9.3.0, < 9.3.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |