{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-78603","assignerOrgId":"271b6943-45a9-4f3a-ab4e-976f3fa05b5a","state":"PUBLISHED","assignerShortName":"elastic","dateReserved":"2026-08-24T21:13:52.889Z","datePublished":"2026-09-01T19:20:35.832Z","dateUpdated":"2026-09-01T19:41:05.109Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Kibana","vendor":"Elastic","versions":[{"status":"affected","versionType":"semver","version":"9.0.0","lessThanOrEqual":"9.4.5"},{"status":"affected","versionType":"semver","version":"9.5.0"}]}],"descriptions":[{"lang":"en","value":"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.","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>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.</p>"}]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","description":"CWE-862 Missing Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"271b6943-45a9-4f3a-ab4e-976f3fa05b5a","shortName":"elastic","dateUpdated":"2026-09-01T19:20:35.832Z"},"references":[{"url":"https://discuss.elastic.co/t/kibana-9-4-6-9-5-1-security-update-esa-2026-149/390069"}],"source":{"discovery":"Elastic"},"title":"Missing Authorization in Kibana Leading to Unauthorized Disclosure of Fleet Deployment Metadata","x_generator":{"engine":"Elastic CVE Publisher 1.0.0"},"impacts":[{"capecId":"CAPEC-180","descriptions":[{"lang":"en","value":"CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels"}]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-01T19:40:57.700644Z","id":"CVE-2026-78603","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-01T19:41:05.109Z"}}]}}