medium6.5
CVE-2026-63139
Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130).
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Elastic | Kibana | from 8.19.0 before 8.19.19 from 9.3.0 before 9.3.8 from 9.4.0 before 9.4.4 |