{"id":"CVE-2026-56146","aliases":["BIT-elk-2026-56146","BIT-kibana-2026-56146","EUVD-2026-46396","GHSA-qmwg-877r-54mc"],"status":"published","title":"Improper Access Control in Kibana Leading to Unauthorized Data Modification and Information Disclosure","description":"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.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00238,"percentile":0.14982,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2026-07-21T20:09:18Z","modified":"2026-10-28T02:30:46Z","fixes":[{"ecosystem":"Bitnami","package":"elk","fixed_in":["9.4.3"],"sources":["osv"]},{"ecosystem":"Bitnami","package":"kibana","fixed_in":["9.4.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"elk","ranges":[{"type":"SEMVER","events":[{"introduced":"9.4.0"},{"fixed":"9.4.3"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"kibana","ranges":[{"type":"SEMVER","events":[{"introduced":"9.4.0"},{"fixed":"9.4.3"}]}]}],"products":[{"vendor":"elastic","product":"kibana"}],"references":[{"url":"https://discuss.elastic.co/t/kibana-9-4-3-security-update-esa-2026-58/388557","tags":["Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56146","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-qmwg-877r-54mc"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56146.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-56146","title":"Improper Access Control in Kibana Leading to Unauthorized Data Modification and Information Disclosure","description":"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.","status":"published","published":"2026-07-21T20:09:18.544Z","modified":"2026-07-22T18:25:16.77Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T13:37:02.780526Z"}],"euvd":[{"id":"EUVD-2026-46396","description":"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.","status":"published","published":"2026-07-21T20:09:18Z","modified":"2026-07-22T18:25:16Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:19:45.382067Z"}],"ghsa":[{"id":"GHSA-qmwg-877r-54mc","title":"Improper Access Control (CWE-284) in Kibana can lead to unauthorized modification of Entity...","description":"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.","status":"published","published":"2026-07-21T21:32:40Z","modified":"2026-07-21T21:32:46Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:09:38.133598Z"}],"nvd":[{"id":"CVE-2026-56146","description":"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.","status":"published","published":"2026-07-21T20:17:02.613Z","modified":"2026-10-24T19:10:00.127Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:12:31.394335Z"}],"osv":[{"id":"CVE-2026-56146","title":"Improper Access Control in Kibana Leading to Unauthorized Data Modification and Information Disclosure","description":"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.","status":"published","published":"2026-07-21T20:09:18.544Z","modified":"2026-10-28T02:30:46.407428099Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:45:11.609219Z"},{"id":"BIT-elk-2026-56146","title":"Improper Access Control in Kibana Leading to Unauthorized Data Modification and Information Disclosure","description":"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.","status":"published","published":"2026-07-28T08:53:25.977Z","modified":"2026-09-08T08:45:12.501721286Z","updated_at":"2026-11-02T15:28:29.563843Z"},{"id":"BIT-kibana-2026-56146","title":"Improper Access Control in Kibana Leading to Unauthorized Data Modification and Information Disclosure","description":"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.","status":"published","published":"2026-07-28T08:58:08.874Z","modified":"2026-09-08T08:47:35.915333983Z","updated_at":"2026-11-02T15:28:32.162822Z"}]}}