{"id":"CVE-2026-4498","title":"Execution with Unnecessary Privileges (CWE-250) in Kibana’s Fleet plugin debug route handlers can lead reading index data beyond their direct Elasticsearch RBAC scope via Privilege Abuse (CAPEC-122)","summary":"Execution with Unnecessary Privileges (CWE-250) in Kibana’s Fleet plugin debug route handlers can lead reading index data beyond their direct Elasticsearch RBAC scope via Privilege Abuse (CAPEC-122). This requires an authenticated Kibana…","severity":"high","cvss":7.7,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","cwe":["CWE-250"],"vendor":"elastic","product":"kibana","affected":["kibana >= 8.0.0, < 8.19.14","kibana >= 9.0.0, < 9.2.8","kibana >= 9.3.0, < 9.3.3"],"patched":["kibana 9.3.3"],"published":"2026-04-08","updated":"2026-07-25","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-4498","references":[{"url":"https://discuss.elastic.co/t/kibana-8-19-14-9-2-8-9-3-3-security-update-esa-2026-21/385811","label":"security@elastic.co"}],"tags":["nvd"],"epss":0.003,"epssPercentile":0.22854,"ingestedAt":"2026-07-26T00:06:15.067Z","slug":"CVE-2026-4498","body":"## Overview\n\nExecution with Unnecessary Privileges (CWE-250) in Kibana’s Fleet plugin debug route handlers can lead reading index data beyond their direct Elasticsearch RBAC scope via Privilege Abuse (CAPEC-122). This requires an authenticated Kibana user with Fleet sub-feature privileges (such as agents, agent policies, and settings management).\n\n## Affected\n\n- `kibana >= 8.0.0, < 8.19.14`\n- `kibana >= 9.0.0, < 9.2.8`\n- `kibana >= 9.3.0, < 9.3.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `kibana 9.3.3`","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":42.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}