CVE-2026-64959 Apache Kylin: Missing authentication on certain cache API endpoints
Attackers can execute arbitrary SQL commands via unauthenticated cache API endpoints in Apache Kylin, primarily affecting publicly exposed deployments.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-64959?
CVE-2026-64959 is a critical SQL injection vulnerability in Apache Kylin, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-64959?
How do I fix CVE-2026-64959?
No fix has been published for CVE-2026-64959 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-64959 being exploited?
There is no known exploitation of CVE-2026-64959 in the wild and no public exploit code.
Sources
Also known as GHSA-gg28-7v75-7g84.