CVE-2026-42400
MEDIUM
NVD
CVSS Score
6.5
Severity
MEDIUM
Published
May 28, 2026
Vendor
unknown
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.