Kibana 9.4.0 Security Update (ESA-2026-191)

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…

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2026/10/07 03:42，Elastic Security Announcements 发布了“Kibana 9.4.0 Security Update (ESA-2026-191)”（类型：漏洞公告）。相关技术：Elasticsearch / OpenSearch。