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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Fixes

Solution

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Workaround

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History

Mon, 01 Jun 2026 14:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*

Fri, 29 May 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 28 May 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Elastic
Elastic kibana
Vendors & Products Elastic
Elastic kibana

Thu, 28 May 2026 20:45:00 +0000

Type Values Removed Values Added
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.
Title Uncontrolled Resource Consumption in Kibana Leading to Denial of Service
Weaknesses CWE-400
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: elastic

Published:

Updated: 2026-05-29T16:47:32.488Z

Reserved: 2026-04-27T10:14:34.318Z

Link: CVE-2026-42400

cve-icon Vulnrichment

Updated: 2026-05-29T16:22:29.826Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-28T21:16:30.497

Modified: 2026-06-01T14:13:36.980

Link: CVE-2026-42400

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-28T21:45:27Z

Weaknesses