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CVE-2026-16441— Eclipse OpenJ9 : Method resolution default method precedence failure

Quick assessment

Affected
Eclipse Foundation OpenJ9
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Eclipse openj9是美国Eclipse基金会开源的一个高性能Java虚拟机。 Eclipse OpenJ9 0.60及之前版本存在处理逻辑错误漏洞，该漏洞源于执行类文件时，将先前具体的超类方法重新编译为抽象方法时，执行被错误地委派到接口默认方法。

AI Predicted 7.0 Difficulty: Hard EPSS 0.53% · P43

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 3

VendorProduct Version RangeStatus
Eclipse Foundation OpenJ9 0.8.0< 0.60.0 affected
< 0.8.0 unaffected
0.60.0 unaffected
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I. Basic Information for CVE-2026-16441

Vulnerability Information
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Vulnerability Title
Eclipse OpenJ9 : Method resolution default method precedence failure
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
依赖未定义、未指明或实现定义的行为
Source: CVE Program / CVE List V5
Vulnerability Title
Eclipse OpenJ9 处理逻辑错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse openj9是美国Eclipse基金会开源的一个高性能Java虚拟机。 Eclipse OpenJ9 0.60及之前版本存在处理逻辑错误漏洞，该漏洞源于执行类文件时，将先前具体的超类方法重新编译为抽象方法时，执行被错误地委派到接口默认方法。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Eclipse Foundation OpenJ9 0.8.0 ~ 0.60.0 -

II. Public POCs for CVE-2026-16441

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III. Intelligence Information for CVE-2026-16441

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Vendor Advisories for CVE-2026-16441 (1)

Other References for CVE-2026-16441 (1)

Same Patch Batch · Eclipse Foundation · 2026-07-21 · 4 CVEs total

CVE-2026-16454 4.3 MEDIUM Privilege Escalation in Eclipse hawkBit DDI allows Tenant-Isolated Firmware Exfiltration
CVE-2026-16439 Eclipse OpenJ9 : Using -Xtrace to trace method arguments can lead to buffer underflow
CVE-2026-16243 Eclipse OMR : arraycmp SIMD implementation does not check if the number of bytes to compar

IV. Related Vulnerabilities

Same product: OpenJ9
Same vendor: Eclipse Foundation
Same weakness: CWE-758

V. Comments for CVE-2026-16441

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