CVE-2026-62390: Apache Kylin: SQL Injection Vulnerability in Catalog Cache Refresh API

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-14 · updated 2026-10-24
Weakness: CWE-89

Description

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.

Affected products

Apache Software Foundation Apache Kylin: from 4.0.0 before 5.0.4 — fixed in 5.0.4

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Kylin 5.0.4. Check the vendor advisory for mitigations.

References

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