CVE-2026-42400
MEDIUM6.5EPSS 0.04%Uncontrolled Resource Consumption in Kibana Leading to Denial of Service
Published: 6/1/2026Modified: 6/1/2026
Description
Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user can send a specially crafted compressed request payload that is processed prior to authorization checks, causing excessive memory and CPU resource consumption that can result in a Kibana instance becoming unresponsive or crashing.
Affected packages (1)
- Bitnami/elk>= 8.0.0, < 8.19.16, >= 9.0.0, < 9.3.5, >= 9.4.0, < 9.4.2
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 |