## Kibana 9.4.0 Security Update (ESA-2026-191)

- 種別: advisory
- 関連技術: elasticsearch
- 公開日時: 2026-10-06T18:42:33.000Z
- 情報源: Elastic Security Announcements (https://discuss.elastic.co/t/kibana-9-4-0-security-update-esa-2026-191/390864)
- パーマリンク: https://vulnpulse.app/items/elastic-security-3571828bc3a7

Missing Authorization in Kibana Leading to Information Disclosure Missing Authorization (CWE-862) in Kibana can lead to information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An internal API surface within the Metrics Experience feature did not enforce a Kibana-level authorization check that an equivalent, related API in the same feature did enforce. As a result, a user who held only data-store-level read access to an index, but no corresponding Kibana feature privilege, could retrieve index-derived metric data through Kibana that the properly-authorize…