SEPTEMBER 7, 2026
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Case File

CVE-2026-16439

CRITICAL · CVSS 9.1 EPSS 0.24% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-21 · Last synced 2026-08-20

CyberRota Analysis

AI-Generated

Eclipse OpenJ9 versions up to 0.60 are vulnerable to a buffer underflow issue when the -Xtrace option is used to trace method arguments. This vulnerability could potentially lead to unexpected behavior or crashes in applications utilizing this tracing feature. Developers and organizations using affected versions should prioritize updating to mitigate potential risks associated with this flaw.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-16439
Severity
CRITICAL
CVSS
9.1
EPSS
0.24%

Original NVD Description

In Eclipse OpenJ9 versions up to 0.60, using -Xtrace to trace method arguments can lead to buffer underflow.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-12605 CRITICAL CVE-2026-61891 HIGH CVE-2026-46581 HIGH CVE-2026-60009 HIGH CVE-2026-14574 MEDIUM CVE-2026-14304 MEDIUM