{"id":"BIT-elk-2026-56146","summary":"Improper Access Control in Kibana Leading to Unauthorized Data Modification and Information Disclosure","details":"Improper Access Control (CWE-284) in Kibana can lead to unauthorized modification of Entity Analytics Watchlist configuration and potential information disclosure. A low-privileged authenticated user with read-only Security Solution access could perform write operations on watchlist data that should require elevated privileges. Under specific deployment conditions, this could also allow such a user to access data beyond their authorized scope.","aliases":["BIT-kibana-2026-56146","CVE-2026-56146"],"modified":"2026-09-08T08:45:12.501721286Z","published":"2026-07-28T08:53:25.977Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:elasticsearch:kibana:*:*:*:*:*:node.js:*:*"]},"references":[{"type":"ADVISORY","url":"https://discuss.elastic.co/t/kibana-9-4-3-security-update-esa-2026-58/388557"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56146"}],"affected":[{"package":{"name":"elk","ecosystem":"Bitnami","purl":"pkg:bitnami/elk"},"ranges":[{"type":"SEMVER","events":[{"introduced":"9.4.0"},{"fixed":"9.4.3"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/elk/BIT-elk-2026-56146.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"}]}],"schema_version":"1.9.0"}