Vulnerability Details CVE-2026-63259
Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to information disclosure via user-supplied identifiers that reference scheduled query result data from Kibana Spaces the requester is not authorized to access.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 9.0%
CVSS Severity
CVSS v3 Score 4.3
Products affected by CVE-2026-63259
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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