CVE-2026-78582: Elastic Kibana

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Missing Authorization (CWE-862) in Kibana can lead to unauthorized deletion of data via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180). An authenticated user holding Synthetics privileges scoped to a single Kibana space could permanently delete Synthetics monitors that are shared into spaces they have no access to. Where a monitor is associated with a private location, the same operation also destroys the underlying Elastic Agent integration configuration without the authorization checks that Fleet would otherwise apply.

Affected products

• Elastic Kibana: from 7.12.0, up to and including 7.17.29; from 8.0.0, up to and including 8.19.21; from 9.0.0, up to and including 9.4.6; from 9.5.0, up to and including 9.5.2

Published 2026-09-26. Last modified 2026-09-28.