CVE-2026-72677: Elastic Kibana

High severity, CVSS 7.3. EPSS: 0.4% chance of exploitation in the next 30 days.

Relative Path Traversal (CWE-23) in Kibana can lead to the unauthorized deletion of Kibana resources via Relative Path Traversal (CAPEC-139). Kibana Fleet accepted a user-supplied identifier for a Fleet Server host configuration without rejecting relative traversal sequences. The identifier is stored as provided and is later incorporated into the request that Kibana issues when that configuration is removed.

Affected products

• Elastic Kibana: from 8.0.0, before 8.19.17 (fixed in 8.19.17); from 9.0.0, before 9.3.6 (fixed in 9.3.6); from 9.4.0, before 9.4.3 (fixed in 9.4.3)

Published 2026-08-13. Last modified 2026-09-02.