CVE-2026-33464 — Uncontrolled Resource Consumption in Kibana Leading to Denial of Service

CVE-2026-33464

Uncontrolled Resource Consumption in Kibana Leading to Denial of Service PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Elastic / Kibana	affected 9.4.0 through 9.4.0; affected 9.0.0 through 9.3.4; affected 8.0.0 through 8.19.15

CWE

CWE-400

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.