Is CVE-2026-78596 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-78596?

CVE-2026-78596 has a CVSS v3 severity of MEDIUM (4.3).

Back

CVE-2026-78596

Description

Missing Authorization in Kibana Leading to Unauthorized Modification of Data / Missing Authorization (CWE-862) in Kibana can lead to unauthorized modification of data via Privilege Abuse (CAPEC-122). An authenticated user holding Security read-level access in a single Kibana space could trigger Entity Analytics migration operations that perform privileged writes across all Kibana spaces, regardless of that user's actual access scope.