CVE-2019-17560: Apache Netbeans

Critical severity, CVSS 9.1. EPSS: 2.3% chance of exploitation in the next 30 days.

The "Apache NetBeans" autoupdate system does not validate SSL certificates and hostnames for https based downloads. This allows an attacker to intercept downloads of autoupdates and modify the download, potentially injecting malicious code. “Apache NetBeans" versions up to and including 11.2 are affected by this vulnerability.

Affected products

• Apache Netbeans: up to and including 11.2
• Oracle Graalvm: version 19.3.2 only; version 20.1.0 only

Published 2020-03-30. Last modified 2026-06-17.