CVE-2026-78598

Medium

Description

Incorrect Authorization (CWE-863) in the Kibana machine learning feature can lead to information disclosure via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180). An authenticated user holding machine learning job management privileges within a single Kibana space could cause a job's saved object to become accessible across all spaces in the Kibana instance, without holding access rights to those additional spaces.

SeverityMedium
CVSS5.4
Exploit probability—
ProductElastic Kibana
PublishedSep 2, 2026
First seenSep 2, 2026

How to fix

Update
  • elastic kibana8.19.19, 9.3.8, 9.4.4 or later

Affected products

ProductAffected versionsFixed in
elastic kibana8.0.0 ≤ v < 8.19.19, 9.0.0 ≤ v < 9.3.8, 9.4.0 ≤ v < 9.4.48.19.19, 9.3.8, 9.4.4

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