https://seclists.org/oss-sec/2026/q4/180: CVE-2026-68571: Apache Kylin: JDBC URL Whitelist Verification Bypass

Q: Which deployments are most exposed to this issue?

Apache Kylin services directly exposed to the public network are most affected. The advisory states that this is uncommon and that most in-house Kylin deployments are not impacted.

Q: What does an attacker need to exploit the vulnerability?

The issue is triggered through a special parameter in a JDBC URL that bypasses whitelist verification and can lead to code injection. The advisory does not specify any additional authentication or access prerequisites.

Q: What versions should be remediated, and what is the fix?

Apache Kylin versions 4.0.0 through 5.0.4 are affected. Upgrade to version 5.0.5, which fixes the issue.

Published Oct 16, 2026

Updated

Affected Software

1 affected component

Apache Kylin>=4.0.0<=5.0.4

Frequently Asked Questions

Which deployments are most exposed to this issue?

Apache Kylin services directly exposed to the public network are most affected. The advisory states that this is uncommon and that most in-house Kylin deployments are not impacted.

What does an attacker need to exploit the vulnerability?

The issue is triggered through a special parameter in a JDBC URL that bypasses whitelist verification and can lead to code injection. The advisory does not specify any additional authentication or access prerequisites.

What versions should be remediated, and what is the fix?

Apache Kylin versions 4.0.0 through 5.0.4 are affected. Upgrade to version 5.0.5, which fixes the issue.