CVE-2026-78598

MediumCVSS 5.4/10Last modified Sep 3, 2026

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.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-863

Affected software

Vendor	Product	Versions
Elastic	Kibana	>= 8.0.0, <= 8.19.18; >= 9.0.0, <= 9.3.7; >= 9.4.0, <= 9.4.3

References

https://discuss.elastic.co/t/kibana-8-19-19-9-3-8-9-4-4-security-update-esa-2026-156/390111Vendor Advisory

Timeline

Published: Sep 2, 2026
Last modified: Sep 3, 2026
NVD status: Analyzed

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