Security Advisory

CVE-2026-42400

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-28 19:42:11

Last updated 2026-05-29 16:47:32

Assigner elastic

CVSS score 6.5

State PUBLISHED

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.

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