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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-16439

27
FAUCET Score

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

First published: Jul 21, 2026Last modified: Jul 21, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.8.0, < 0.60.0CPE match
cpe:2.3:a:eclipse:openj9:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

5.8MEDIUM

CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:N/VI:H/VA:H/SC:N/SI:L/SA:L/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

Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
ACTIVE
VS Confidentiality
NONE
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
LOW
SS Availability
LOW
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.20%
Probability of exploitation in next 30 days
EPSS Percentile
10.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0020 is in the 24th percentile among its peer group of 144 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / eclipse-openj9/openj9/pull/24394
gitlab.eclipse.org / security/cve-assignment/-/work_items/192