Is CVE-2026-78601 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-78601?

CVE-2026-78601 has a CVSS v3 severity of MEDIUM (5.5).

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CVE-2026-78601

Description

Missing Authorization (CWE-862) in Kibana can lead to information disclosure via Privilege Abuse (CAPEC-122). An authorization control was not applied to a Kibana Entity Store configuration operation, allowing an authenticated user with elevated Kibana privileges to indirectly cause a background task to read from Elasticsearch indices that user is not authorized to access. Derived entity data from those indices is then exposed through the entity store output.