CVE-2026-16441

Critical

Description

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.

SeverityCritical
CVSS9.6
Exploit probability—
ProductEclipse Openj9
PublishedJul 21, 2026
First seenJul 21, 2026
Weakness typeCWE-758CWE-758

How to fix

Update
  • eclipse openj90.60.0 or later

Affected products

ProductAffected versionsFixed in
eclipse openj90.8.0 ≤ v < 0.60.00.60.0

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.