Description
Incorrect Authorization (CWE-863) in Kibana can lead to unauthorized disclosure, modification, and deletion of data via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Where two authenticated principals originating from different authentication realms share the same username value, one could read, modify, and delete the other's private Elastic AI Assistant Knowledge Base entries.
Published: 2026-09-01
Score: 4.2 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 02 Sep 2026 04:00:00 +0000

Type Values Removed Values Added
First Time appeared Elastic
Elastic kibana
Vendors & Products Elastic
Elastic kibana

Tue, 01 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
Description Incorrect Authorization (CWE-863) in Kibana can lead to unauthorized disclosure, modification, and deletion of data via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Where two authenticated principals originating from different authentication realms share the same username value, one could read, modify, and delete the other's private Elastic AI Assistant Knowledge Base entries.
Title Incorrect Authorization in Kibana Leading to Unauthorized Disclosure, Modification, and Deletion of Data
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 4.2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: elastic

Published:

Updated: 2026-09-01T19:40:45.659Z

Reserved: 2026-08-24T21:13:52.890Z

Link: CVE-2026-78606

cve-icon Vulnrichment

Updated: 2026-09-01T19:39:59.162Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-01T20:17:23.887

Modified: 2026-09-01T21:05:31.423

Link: CVE-2026-78606

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-02T03:45:04Z

Weaknesses