CVE-2018-17191: Apache Netbeans

Critical severity, CVSS 9.8. EPSS: 7.8% chance of exploitation in the next 30 days.

Apache NetBeans (incubating) 9.0 NetBeans Proxy Auto-Configuration (PAC) interpretation is vulnerable for remote command execution (RCE). Using the nashorn script engine the environment of the javascript execution for the Proxy Auto-Configuration leaks privileged objects, that can be used to circumvent the execution limits. If a different script engine was used, no execution limits were in place. Both vectors allow remote code execution.

Affected products

• Apache Netbeans: version 9.0 only

Published 2018-12-31. Last modified 2026-06-17.