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.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://discuss.elastic.co/t/kibana-9-4-6-9-5-1-security-update-esa-2026-149/390069	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:elastic:kibana::::::::
	cpe:2.3:a:elastic:kibana:9.5.0:::::::*

History

No history.

Information

Published : 2026-09-01 20:17

Updated : 2026-09-02 14:52

NVD link : CVE-2026-78603

Mitre link : CVE-2026-78603

CVE.ORG link : CVE-2026-78603

JSON object : View

Products Affected

elastic

kibana

CWE

CWE-862

Missing Authorization

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