Security Advisory

CVE-2026-63261

6.5
MEDIUM

Vulnerability 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.
Published Date July 21, 2026
Official Source NIST NVD Advisory