Missing Auth in Kibana Unauthorized Data Disclosure
CVE-2026-63143 Published on July 21, 2026
Missing Authorization in Kibana Leading to Unauthorized Information Disclosure
Missing Authorization (CWE-862) in Kibana can lead to unauthorized information disclosure via Privilege Abuse (CAPEC-122). A user with limited feature privileges can access workflow execution outputs in their Kibana space without the authorization required to do so through the documented API. The accessible data may include sensitive information returned by workflow steps, such as results from connected data sources that the caller would not otherwise be authorized to access.
Vulnerability Analysis
CVE-2026-63143 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 AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-63143 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-63143
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Affected Versions
Elastic Kibana:- Version 9.4.0, <= 9.4.3 is affected.
- Version 9.3.0, <= 9.3.7 is affected.