Apache Kylin <5.0.4: SQL Injection via Catalog Refresh API
CVE-2026-62390 Published on July 14, 2026
Apache Kylin: SQL Injection Vulnerability in Catalog Cache Refresh API
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Apache Kylin. A backend API refreshing table catalog may cause the injection to the generated SQL.
This issue affects Apache Kylin: from 4 through 5.0.3.
Users are recommended to upgrade to version 5.0.4, which fixes the issue.
Vulnerability Analysis
CVE-2026-62390 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is a SQL Injection Vulnerability?
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.
CVE-2026-62390 has been classified to as a SQL Injection vulnerability or weakness.
Products Associated with CVE-2026-62390
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Affected Versions
Apache Software Foundation Apache Kylin:- Version 4, <= 5.0.3 is affected.