cbcvebase.
CVE-2026-63139
published 2026-07-21

CVE-2026-63139: Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated low-privileged user…

PriorityP337medium6.5CVSS 3.1
AVNACLPRLUINSUCNINAH
EPSS
0.47%
39.8th percentile
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

6 ranges
VendorProductVersion rangeFixed in
elastickibana8.0.0 – 8.19.18—
elastickibana>= 8.19.0 < 8.19.198.19.19
elastickibana>= 9.3.0 < 9.3.89.3.8
elastickibana9.3.0 – 9.3.7—
elastickibana>= 9.4.0 < 9.4.49.4.4
elastickibana9.4.0 – 9.4.3—
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