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OpenAdvisories
Medium · 6.5 CVE-2026-63261 EUVD-2026-47589GHSA-95j6-2ch4-858w

Uncontrolled Resource Consumption in Kibana Leading to Denial of Service

Published Jul 21, 2026 · Updated Jul 22, 2026 · Assigned by elastic

Description

Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). A low-privileged authenticated user can send a specially crafted request to a Kibana machine learning feature, causing the server to exhaust available memory and become unavailable to all users.

Affected products

VendorProductAffectedFixed
Elastic Kibana 8.0.0 – ≤ 8.19.18, 9.4.0 – ≤ 9.4.3, 9.0.0 – ≤ 9.3.7 —

Advisories 1

References