Is CVE-2026-63259 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-63259?

CVE-2026-63259 has a CVSS v3 severity of MEDIUM (4.3).

Back

CVE-2026-63259

Description

Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to information disclosure via user-supplied identifiers that reference scheduled query result data from Kibana Spaces the requester is not authorized to access.