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Vulnerability record · public intelligence
CVE-2026-78606
MEDIUM

Incorrect Authorization in Kibana Leading to Unauthorized Disclosure, Modification, and Deletion of Data

Published Sep 1, 2026 · Updated Oct 23, 2026

Severity · CVSSMEDIUM · 4.2
Known exploitationNot listed
EPSS / likelihood0.23%
QFinch risk scoreNot available

Original summary

Normalized public record · Updated Oct 23, 2026

Incorrect Authorization in Kibana Leading to Unauthorized Disclosure, Modification, and Deletion of Data

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

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.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

CVENVDEPSS
SSVC priority
LOW
Confidence
Not available
Aliases
None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. discuss.elastic.co ↗

Record history

Published Sep 1, 2026 · Last refreshed Oct 23, 2026