Vulnerability Details 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 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 18.9%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2026-63139
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cpe:2.3:a:elastic:kibana:8.19.0
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cpe:2.3:a:elastic:kibana:8.19.1
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cpe:2.3:a:elastic:kibana:8.19.10
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cpe:2.3:a:elastic:kibana:8.19.11
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cpe:2.3:a:elastic:kibana:8.19.12
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cpe:2.3:a:elastic:kibana:8.19.13
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cpe:2.3:a:elastic:kibana:8.19.14
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cpe:2.3:a:elastic:kibana:8.19.15
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cpe:2.3:a:elastic:kibana:8.19.16
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cpe:2.3:a:elastic:kibana:8.19.17
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cpe:2.3:a:elastic:kibana:8.19.18
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cpe:2.3:a:elastic:kibana:8.19.2
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cpe:2.3:a:elastic:kibana:8.19.3
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cpe:2.3:a:elastic:kibana:8.19.4
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cpe:2.3:a:elastic:kibana:8.19.5
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cpe:2.3:a:elastic:kibana:8.19.6
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cpe:2.3:a:elastic:kibana:8.19.7
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cpe:2.3:a:elastic:kibana:8.19.8
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cpe:2.3:a:elastic:kibana:8.19.9
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cpe:2.3:a:elastic:kibana:9.3.0
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cpe:2.3:a:elastic:kibana:9.3.2
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cpe:2.3:a:elastic:kibana:9.3.3
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cpe:2.3:a:elastic:kibana:9.3.4
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cpe:2.3:a:elastic:kibana:9.3.5
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cpe:2.3:a:elastic:kibana:9.3.6
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cpe:2.3:a:elastic:kibana:9.3.7
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cpe:2.3:a:elastic:kibana:9.4.0
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cpe:2.3:a:elastic:kibana:9.4.1
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cpe:2.3:a:elastic:kibana:9.4.2
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cpe:2.3:a:elastic:kibana:9.4.3