CVE-2026-16441: Eclipse OPENJ9

Critical severity, CVSS 9.6. EPSS: 0.5% chance of exploitation in the next 30 days.

In Eclipse OpenJ9 versions up to 0.60, when executing class files where a previously concrete superclass method has been recompiled as abstract, execution is incorrectly delegated to an interface default method.

Affected products

• Eclipse OPENJ9: from 0.8.0, before 0.60.0 (fixed in 0.60.0)

Published 2026-07-21. Last modified 2026-08-18.