CVE-2026-78598 [MEDIUM] – Incorrect Authorization (CWE-863) in the Kibana machine learning feature can lead to infor

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.