Apache disclosed CVE-2026-62390, an important-severity SQL injection vulnerability in Apache Kylin affecting versions 4 through 5.0.3. The flaw is in a backend API used to refresh the table catalog cache, where improper neutralization of special elements can allow SQL injection in generated SQL statements.
Apache said the issue is fixed in Apache Kylin 5.0.4 and urged users to upgrade to that release. The vulnerability is tracked internally as KYLIN-6089, and credit for the discovery was given to 罗鑫.

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Apache advised users to upgrade to Apache Kylin 5.0.4 to remediate CVE-2026-62390. This indicates version 5.0.4 contains the fix for the SQL injection issue.
Apache disclosed CVE-2026-62390, an important-severity SQL injection vulnerability in Apache Kylin's catalog cache refresh backend API. The flaw affects Apache Kylin versions 4 through 5.0.3 and is tracked internally as KYLIN-6089, with credit given to 罗鑫.
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