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CVE-2026-16441

Eclipse Openj9 vulnerability

9.6 CRITICALEPSS 0.53%
  1. Published21 Jul 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

Eclipse Openj9≥ 0.8.0 < 0.60.0

Remediation

Fixed in
Eclipse Openj9≥ 0.60.0

References

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Frequently asked

Is CVE-2026-16441 being actively exploited?

CVE-2026-16441 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.53%.

How severe is CVE-2026-16441?

CVE-2026-16441 has a CVSS 3.1 base score of 9.6, rated critical. EPSS estimates a 0.53% probability of exploitation.

Which products are affected by CVE-2026-16441?

Affected products include Eclipse Openj9.

How do I fix CVE-2026-16441?

Upgrade affected software to a fixed version, for example Eclipse Openj9 0.60.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-16441 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.