CVE-2026-78603 — Missing Authorization in Kibana Leading to Unauthorized Disclosure of Fleet Deployment Metadata
Missing Authorization (CWE-862) in Kibana can lead to information disclosure via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180). An authenticated u…
Published: 2026-09-01 · CVSS: 4.3 · CVSS 3.1
Missing Authorization (CWE-862) in Kibana can lead to information disclosure via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180). An authenticated user holding minimal Elasticsearch privileges could bypass Kibana feature authorization and space access controls, resulting in the unauthorized disclosure of Fleet deployment metadata from the default Kibana space.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7