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VULNERABILITIES

CVE-2026-78603 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://discuss.elastic.co/t/kibana-9-4-6-9-5-1-security-update-esa-2026-149/390069 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-862Missing Authorization[email protected]

Affected Products

ProductVersions
elastic kibana
>= 9.0.0, < 9.4.6
9.5.0

CPE

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

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-78603
NVD Published Date:
Sep 1, 2026
NVD Last Modified:
Sep 2, 2026
Source:
[email protected]
CVE-2026-78603 Details - Not Deferred