CVE-2026-16441

6.9 MEDIUM 0.5% exploit odds Fix listed Other

What it is

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.

At a glance

Exploitability: Can be exploited over the network with a low-privilege account, but needs a user to act. High risk of data tampering.
Exploit odds: 0.5% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-07-21 19:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-24 19:10 UTC Last updatedMost recent change to the record

Details

Published: 2026-07-21 19:17 UTC
Last modified: 2026-10-24 19:10 UTC
Exploit probability: 0.5% · EPSS, next 30 days
Weakness: CWE-758
Record status: Analyzed

Affected

Eclipse openj9 < 0.60.0

Attack profile CVSS 4.0 · 6.9

Attack vector: Network
Complexity: High
Attack requirements: Present
Privileges needed: Low
User interaction: Active
Confidentiality: None
Integrity: High
Availability: Low

Raw vector

CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:N/VI:H/VA:L/SC:L/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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Fix and advisories

References

NVD record · CVE.org record