Is CVE-2026-78595 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-78595?

CVE-2026-78595 has a CVSS v3 severity of MEDIUM (4.3).

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CVE-2026-78595

Description

Missing Authorization in Kibana Leading to Information Disclosure / Missing Authorization (CWE-862) in the Kibana Fleet feature can lead to information disclosure via Privilege Abuse (CAPEC-122). An authenticated user holding read-level Fleet agent privileges in one Kibana space could enumerate agent metadata and access diagnostic content belonging to agents enrolled in other Kibana spaces.