CVE-2026-64959

Critical

Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection'), Missing Authentication for Critical Function vulnerability in Apache Kylin. Impact most to the kylin services that are directly exposed to public network, which is not common. In-house kylin deployments are mostly not impacted. This issue affects Apache Kylin: from 5 through 5.0.4. Certain backend cache API misses required authentication and can cause execution of injected SQL. Users are recommended to upgrade to version 5.0.5, which fixes the issue.

SeverityCritical

CVSS9.8

Exploit probability—

ProductApache Kylin

PublishedOct 16, 2026

First seenOct 16, 2026

Weakness typeCWE-89SQL injection CWE-306Missing authentication for critical function

How to fix

Vendor advisories

lists.apache.org/thread.html/oho4tw8kvxkybwpjykzl49zx6o17tkdt

Affected products

Product	Affected versions	Fixed in
Apache Software Foundation Apache Kylin	5.0.0 ≤ v ≤ 5.0.4	—

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