{"id":"CVE-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-elk-2026-56146","BIT-kibana-2026-56146"],"modified":"2026-08-12T03:51:47.947756545Z","published":"2026-07-21T20:09:18.544Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56146.json","unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"9.4.0"},{"last_affected":"9.4.2"}]}],"cna_assigner":"elastic","cwe_ids":["CWE-863"]},"references":[{"type":"WEB","url":"https://discuss.elastic.co/t/kibana-9-4-3-security-update-esa-2026-58/388557"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56146.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56146"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/elastic/elasticsearch","events":[{"introduced":"2e8528e92361c3399724226deaf2b46f933e925b"},{"fixed":"45f6a06b1b441b41fe711059b8720013173e7c89"}],"database_specific":{"extracted_events":[{"introduced":"9.4.0"},{"fixed":"9.4.3"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*"}}],"versions":["v9.4.2","v9.4.1","v9.4.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-56146.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/elastic/kibana","events":[{"introduced":"b2e39752e03b56f48f51943214475ddba1f8e974"},{"fixed":"9e9848d35f973e1f40f65d79760037228c54b7ab"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"9.4.0"},{"fixed":"9.4.3"}]}}],"versions":["v9.4.2","v9.4.1","v9.4.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-56146.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"}]}