CVE-2026-63138 is a vulnerability in Elastic Kibana
Published on September 1, 2026
Improper Neutralization of Special Elements in Data Query Logic in Kibana Leading to Information Disclosure
Improper Neutralization of Special Elements in Data Query Logic (CWE-943) in Kibana can lead to information disclosure via NoSQL Injection (CAPEC-676). An authenticated user with access to the affected query functionality could submit specially crafted input that alters the intended query logic, returning data the user is not authorized to read.
Vulnerability Analysis
CVE-2026-63138 is exploitable 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 high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
Improper Neutralization of Special Elements in Data Query Logic
The application generates a query intended to access or manipulate data in a data store such as a database, but it does not neutralize or incorrectly neutralizes special elements that can modify the intended logic of the query.
Products Associated with CVE-2026-63138
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Affected Versions
Elastic Kibana:- Version 9.4.0, <= 9.4.4 is affected.
- Version 9.5.0 is affected.