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CVE-2026-42400

MEDIUM CVSS: 6.5 Published: 2026-05-28 Modified: 2026-06-17

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 Platforms

Elastic Kibana

Weakness Type

CWE-400

References