CVE-2026-33459 — Uncontrolled Resource Consumption in Kibana Leading to Denial of Service

CVE-2026-33459

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 user with access to the automatic import feature can submit specially crafted requests with excessively large input values. When multiple such requests are sent concurrently, the backend services become unstable, resulting in service disruption and deployment unavailability for all users.

Affected (CNA)

Vendor / product	Versions
Elastic / Kibana	affected 9.3.0 through 9.3.2; affected 8.15.0 through 8.19.13; affected 9.0.0 through 9.2.7

CWE

CWE-400

References

https://discuss.elastic.co/t/kibana-8-19-14-9-2-8-9-3-3-security-update-esa-2026-26/385814

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.