Vulnerability · Published Apr 8, 2026 · Assigned by elastic
CVE-2026-4498Execution with Unnecessary Privileges in Kibana Leading to reading index data beyond their direct Elasticsearch RBAC scope
High 7.7
In plain English
A high-severity security flaw in Kibana from Elastic. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).
Severity (CVSS 3.1)7.7High
Exploit odds (30 days)0.3%top 76.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 user with Fleet sub-feature privileges (such as agents, agent policies, and settings management).
Affected products (as reported)
Weakness: CWE-250 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N