CVE-2018-12539: Eclipse OPENJ9

High severity, CVSS 7.8. EPSS: 0.5% chance of exploitation in the next 30 days.

In Eclipse OpenJ9 version 0.8, users other than the process owner may be able to use Java Attach API to connect to an Eclipse OpenJ9 or IBM JVM on the same machine and use Attach API operations, which includes the ability to execute untrusted native code. Attach API is enabled by default on Windows, Linux and AIX JVMs and can be disabled using the command line option -Dcom.ibm.tools.attach.enable=no.

Affected products

• Eclipse OPENJ9: version 0.8 only
• Oracle Enterprise Manager Base Platform: version 13.2.0.0.0 only; version 13.3.0.0.0 only

Published 2018-08-14. Last modified 2026-06-17.