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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-78603

Missing Authorization (CWE-862) in Kibana can lead to information disclosure via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180). An authenticated user holding minimal Elasticsearch privileges could bypass Kibana feature authorization and space access controls, resulting in the unauthorized disclosure of Fleet deployment metadata from the default Kibana space.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 7.2%
CVSS Severity
CVSS v3 Score 4.3
Products affected by CVE-2026-78603
  • Elastic » Kibana » Version: 9.0.0
    cpe:2.3:a:elastic:kibana:9.0.0
  • Elastic » Kibana » Version: 9.0.1
    cpe:2.3:a:elastic:kibana:9.0.1
  • Elastic » Kibana » Version: 9.0.2
    cpe:2.3:a:elastic:kibana:9.0.2
  • Elastic » Kibana » Version: 9.0.3
    cpe:2.3:a:elastic:kibana:9.0.3
  • Elastic » Kibana » Version: 9.0.4
    cpe:2.3:a:elastic:kibana:9.0.4
  • Elastic » Kibana » Version: 9.0.5
    cpe:2.3:a:elastic:kibana:9.0.5
  • Elastic » Kibana » Version: 9.0.6
    cpe:2.3:a:elastic:kibana:9.0.6
  • Elastic » Kibana » Version: 9.0.7
    cpe:2.3:a:elastic:kibana:9.0.7
  • Elastic » Kibana » Version: 9.0.8
    cpe:2.3:a:elastic:kibana:9.0.8
  • Elastic » Kibana » Version: 9.1.0
    cpe:2.3:a:elastic:kibana:9.1.0
  • Elastic » Kibana » Version: 9.1.1
    cpe:2.3:a:elastic:kibana:9.1.1
  • Elastic » Kibana » Version: 9.1.10
    cpe:2.3:a:elastic:kibana:9.1.10
  • Elastic » Kibana » Version: 9.1.2
    cpe:2.3:a:elastic:kibana:9.1.2
  • Elastic » Kibana » Version: 9.1.3
    cpe:2.3:a:elastic:kibana:9.1.3
  • Elastic » Kibana » Version: 9.1.4
    cpe:2.3:a:elastic:kibana:9.1.4
  • Elastic » Kibana » Version: 9.1.5
    cpe:2.3:a:elastic:kibana:9.1.5
  • Elastic » Kibana » Version: 9.1.6
    cpe:2.3:a:elastic:kibana:9.1.6
  • Elastic » Kibana » Version: 9.1.7
    cpe:2.3:a:elastic:kibana:9.1.7
  • Elastic » Kibana » Version: 9.1.8
    cpe:2.3:a:elastic:kibana:9.1.8
  • Elastic » Kibana » Version: 9.1.9
    cpe:2.3:a:elastic:kibana:9.1.9
  • Elastic » Kibana » Version: 9.2.0
    cpe:2.3:a:elastic:kibana:9.2.0
  • Elastic » Kibana » Version: 9.2.1
    cpe:2.3:a:elastic:kibana:9.2.1
  • Elastic » Kibana » Version: 9.2.2
    cpe:2.3:a:elastic:kibana:9.2.2
  • Elastic » Kibana » Version: 9.2.3
    cpe:2.3:a:elastic:kibana:9.2.3
  • Elastic » Kibana » Version: 9.2.4
    cpe:2.3:a:elastic:kibana:9.2.4
  • Elastic » Kibana » Version: 9.2.5
    cpe:2.3:a:elastic:kibana:9.2.5
  • Elastic » Kibana » Version: 9.2.6
    cpe:2.3:a:elastic:kibana:9.2.6
  • Elastic » Kibana » Version: 9.2.7
    cpe:2.3:a:elastic:kibana:9.2.7
  • Elastic » Kibana » Version: 9.2.8
    cpe:2.3:a:elastic:kibana:9.2.8
  • Elastic » Kibana » Version: 9.3.0
    cpe:2.3:a:elastic:kibana:9.3.0
  • Elastic » Kibana » Version: 9.3.2
    cpe:2.3:a:elastic:kibana:9.3.2
  • Elastic » Kibana » Version: 9.3.3
    cpe:2.3:a:elastic:kibana:9.3.3
  • Elastic » Kibana » Version: 9.3.4
    cpe:2.3:a:elastic:kibana:9.3.4
  • Elastic » Kibana » Version: 9.3.5
    cpe:2.3:a:elastic:kibana:9.3.5
  • Elastic » Kibana » Version: 9.3.6
    cpe:2.3:a:elastic:kibana:9.3.6
  • Elastic » Kibana » Version: 9.3.7
    cpe:2.3:a:elastic:kibana:9.3.7
  • Elastic » Kibana » Version: 9.3.8
    cpe:2.3:a:elastic:kibana:9.3.8
  • Elastic » Kibana » Version: 9.4.0
    cpe:2.3:a:elastic:kibana:9.4.0
  • Elastic » Kibana » Version: 9.4.1
    cpe:2.3:a:elastic:kibana:9.4.1
  • Elastic » Kibana » Version: 9.4.2
    cpe:2.3:a:elastic:kibana:9.4.2
  • Elastic » Kibana » Version: 9.4.3
    cpe:2.3:a:elastic:kibana:9.4.3
  • Elastic » Kibana » Version: 9.4.4
    cpe:2.3:a:elastic:kibana:9.4.4
  • Elastic » Kibana » Version: 9.5.0
    cpe:2.3:a:elastic:kibana:9.5.0


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