Kibana Auth Bypass via User-Key Exposes Scheduled Query Data
CVE-2026-63259 Published on July 21, 2026
Authorization Bypass Through User-Controlled Key in Kibana Leading to Information Disclosure
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.
Vulnerability Analysis
CVE-2026-63259 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is an Insecure Direct Object Reference / IDOR Vulnerability?
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
CVE-2026-63259 has been classified to as an Insecure Direct Object Reference / IDOR vulnerability or weakness.
Products Associated with CVE-2026-63259
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Affected Versions
Elastic Kibana:- Version 9.4.0, <= 9.4.3 is affected.