{"id":"CVE-2026-78596","aliases":["BIT-elk-2026-78596","BIT-kibana-2026-78596","EUVD-2026-70660","GHSA-fcr2-g7h7-m264"],"status":"published","title":"Missing Authorization in Kibana Leading to Unauthorized Cross-Space Write Operations","description":"Missing Authorization in Kibana Leading to Unauthorized Modification of Data / Missing Authorization (CWE-862) in Kibana can lead to unauthorized modification of data via Privilege Abuse (CAPEC-122). An authenticated user holding Security read-level access in a single Kibana space could trigger Entity Analytics migration operations that perform privileged writes across all Kibana spaces, regardless of that user's actual access scope.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00268,"percentile":0.19087,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-862"],"published":"2026-09-03T18:35:40Z","modified":"2026-09-09T09:41:02Z","fixes":[{"ecosystem":"Bitnami","package":"elk","fixed_in":["8.19.21","9.4.6","9.5.3"],"sources":["osv"]},{"ecosystem":"Bitnami","package":"kibana","fixed_in":["8.19.21","9.4.6","9.5.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"elk","ranges":[{"type":"SEMVER","events":[{"introduced":"8.18.3"},{"fixed":"8.19.21"},{"introduced":"9.0.3"},{"fixed":"9.4.6"},{"introduced":"9.5.0"},{"fixed":"9.5.3"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"kibana","ranges":[{"type":"SEMVER","events":[{"introduced":"8.18.3"},{"fixed":"8.19.21"},{"introduced":"9.0.3"},{"fixed":"9.4.6"},{"introduced":"9.5.0"},{"fixed":"9.5.3"}]}]}],"products":[{"vendor":"elastic","product":"kibana"}],"references":[{"url":"https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-3-security-update-esa-2026-154/390161","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78596","tags":["web"]},{"url":"https://github.com/advisories/GHSA-fcr2-g7h7-m264"}],"sources":{"cve":[{"id":"CVE-2026-78596","title":"Missing Authorization in Kibana Leading to Unauthorized Cross-Space Write Operations","description":"Missing Authorization in Kibana Leading to Unauthorized Modification of Data / Missing Authorization (CWE-862) in Kibana can lead to unauthorized modification of data via Privilege Abuse (CAPEC-122). An authenticated user holding Security read-level access in a single Kibana space could trigger Entity Analytics migration operations that perform privileged writes across all Kibana spaces, regardless of that user's actual access scope.","status":"published","published":"2026-09-03T18:35:40.771Z","modified":"2026-09-03T18:48:09.486Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T13:34:48.658051Z"}],"euvd":[{"id":"EUVD-2026-70660","description":"Missing Authorization in Kibana Leading to Unauthorized Modification of Data / Missing Authorization (CWE-862) in Kibana can lead to unauthorized modification of data via Privilege Abuse (CAPEC-122). An authenticated user holding Security read-level access in a single Kibana space could trigger Entity Analytics migration operations that perform privileged writes across all Kibana spaces, regardless of that user's actual access scope.","status":"published","published":"2026-09-03T18:35:40Z","modified":"2026-09-03T18:48:09Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:13.160542Z"}],"ghsa":[{"id":"GHSA-fcr2-g7h7-m264","title":"Missing Authorization in Kibana Leading to Unauthorized Modification of Data / Missing...","description":"Missing Authorization in Kibana Leading to Unauthorized Modification of Data / Missing Authorization (CWE-862) in Kibana can lead to unauthorized modification of data via Privilege Abuse (CAPEC-122). An authenticated user holding Security read-level access in a single Kibana space could trigger Entity Analytics migration operations that perform privileged writes across all Kibana spaces, regardless of that user's actual access scope.","status":"published","published":"2026-09-03T21:31:14Z","modified":"2026-09-03T21:31:20Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:11:20.583896Z"}],"nvd":[{"id":"CVE-2026-78596","description":"Missing Authorization in Kibana Leading to Unauthorized Modification of Data / Missing Authorization (CWE-862) in Kibana can lead to unauthorized modification of data via Privilege Abuse (CAPEC-122). An authenticated user holding Security read-level access in a single Kibana space could trigger Entity Analytics migration operations that perform privileged writes across all Kibana spaces, regardless of that user's actual access scope.","status":"published","published":"2026-09-03T19:17:28.993Z","modified":"2026-09-08T14:17:41.457Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:43.737972Z"}],"osv":[{"id":"BIT-elk-2026-78596","title":"Missing Authorization in Kibana Leading to Unauthorized Cross-Space Write Operations","description":"Missing Authorization in Kibana Leading to Unauthorized Modification of Data / Missing Authorization (CWE-862) in Kibana can lead to unauthorized modification of data via Privilege Abuse (CAPEC-122). An authenticated user holding Security read-level access in a single Kibana space could trigger Entity Analytics migration operations that perform privileged writes across all Kibana spaces, regardless of that user's actual access scope.","status":"published","published":"2026-09-09T08:41:46.71Z","modified":"2026-09-09T09:41:02.00497759Z","updated_at":"2026-11-02T15:28:29.563843Z"},{"id":"BIT-kibana-2026-78596","title":"Missing Authorization in Kibana Leading to Unauthorized Cross-Space Write Operations","description":"Missing Authorization in Kibana Leading to Unauthorized Modification of Data / Missing Authorization (CWE-862) in Kibana can lead to unauthorized modification of data via Privilege Abuse (CAPEC-122). An authenticated user holding Security read-level access in a single Kibana space could trigger Entity Analytics migration operations that perform privileged writes across all Kibana spaces, regardless of that user's actual access scope.","status":"published","published":"2026-09-09T08:48:25.542Z","modified":"2026-09-09T09:41:02.00497759Z","updated_at":"2026-11-02T15:28:32.162822Z"}]}}