CVE-2026-33464

MEDIUM

Uncontrolled Resource Consumption in Kibana Leading to Denial of Service

Title source: cna

Description

Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user holding a low-privileged role can submit a specially crafted, oversized payload to an internal Kibana API, causing the Kibana process to exhaust available resources and become unresponsive to all users until the service recovers or is restarted.

References (1)

Core 1

Core References

https://discuss.elastic.co/t/kibana-8-19-16-9-3-5-9-4-1-security-update-esa-2026-32/386548

Scores

CVSS v3 6.5

EPSS 0.0024

EPSS Percentile 15.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-400

Status published

Products (5)

elastic/kibana 9.4.0

Elastic/Kibana 8.0.0 - 8.19.15

elastic/kibana 8.0.0 - 8.19.16

Elastic/Kibana 9.0.0 - 9.3.4

Elastic/Kibana 9.4.0

Published May 28, 2026

Tracked Since May 29, 2026