CVE-2026-63139 — Uncontrolled Resource Consumption in Kibana Leading to Denial of Service

CVE-2026-63139

Uncontrolled Resource Consumption in Kibana Leading to Denial of Service PUBLISHED

Description (CNA)

Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated low-privileged user can exploit an uncontrolled resource consumption vulnerability in Kibana's Canvas functionality by sending a specially crafted request, causing the Kibana server process to terminate and resulting in a denial of service for all users of the affected Kibana instance.

Affected (CNA)

Vendor / product	Versions
Elastic / Kibana	affected 8.0.0 through 8.19.18; affected 9.4.0 through 9.4.3; affected 9.3.0 through 9.3.7

CWE

CWE-400

References

https://discuss.elastic.co/t/kibana-8-19-19-9-3-8-9-4-4-security-update-esa-2026-63/388560

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.