CVE-2026-63139: CWE-400 Uncontrolled Resource Consumption in Elastic Kibana
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.
CVE-2026-63139: CWE-400 Uncontrolled Resource Consumption in Elastic Kibana
Description
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.
CVSS v3.1
Score 6.5medium
Affected software
pkg:github/elastic/kibanaRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- elastic
- Date Reserved
- 2026-07-15T18:23:57.166Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a5fdc239c2644c7f8ba04d4
Added to database: 07/21/2026, 20:52:51 UTC
Last enriched: 07/21/2026, 21:07:51 UTC
Last updated: 07/31/2026, 19:24:51 UTC
Views: 42
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