CVE-2026-63261

CVSS Score & Metrics

Base Score

6.5 / 10

Vector String

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

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.

Vulnerability Details

Published Date

July 21, 2026

Last Modified

July 22, 2026

CWE ID

CWE-400

Source

NVD

Vendor

Elastic

Product

Kibana

External References

https://discuss.elastic.co/t/kibana-8-19-19-9-3-8-9-4-4-security-update-esa-2026-72/388575

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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