CVE-2026-16440

MEDIUM

5.7

CVSS Score

Published: August 19, 2026 at 10:12 AM UTC

Updated: October 22, 2026 at 08:09 AM UTC

1 product affected across 1 vendorOpenJ9

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Severity

MEDIUM5.7

Exploit prediction

EPSS 0.3%

SSVC

PoC

Description

In Eclipse OpenJ9 versions up to 0.60, a crafted .class file with deeply nested annotations causes a segmentation fault.

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

90%

0.8.0 ≤ v < 0.600.8.0

Affected range stops below 0.60, so it looks safe — our inference, not a vendor statement

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

Source: cverecord

Source: cverecord

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

5.7MEDIUMeclipse

Vector?

StatusDEFERRED

CWE

CWE-674

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