Disclosed
CVE-2026-6860
A TCP client can perform a TLS handshake and present the server name extension with a server name that is accepted by a server wildcard name, e.g. if the server is configured with a certificate accepting *.example.com, any XYZ.example.com where xyz is a valid name can be used.
Exploitation Probability (EPSS)
Low Priority0.01%
The Exploit Prediction Scoring System (EPSS) uses machine learning to estimate the probability that a vulnerability will be exploited in the wild within the next 30 days.
0% (Theoretical)100% (Certainty)
7-Day Exploitation Trend
Vulnerability Timeline
2 eventsMay 6, 2026
Vulnerability Disclosed
Published to component-level vulnerability database.
May 12, 2026
Last Updated
Record updated with new analysis or tags.
Threat Actor Attribution
PREMIUM INTELAssociated Groups:Lazarus Group, APT28
Ransomware Campaigns:LockBit 3.0, BlackCat
IoCs (Indicators):14 IPs, 3 Hashes
Remediation & Mitigation
SOLUTIONOfficial patches and mitigation steps are available for this vulnerability.
# Update Command
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name
Affected Products
1 Total
eclipse/vert.xAll Versions
References
https://github.com/eclipse-vertx/vert.x/pull/6102GitHub
Issue TrackingPatch
https://github.com/eclipse-vertx/vert.x/security/advisories/GHSA-3g76-f9xq-8vp6GitHub
Vendor AdvisoryExploit
https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/381Eclipse
ExploitIssue TrackingThird Party Advisory
https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/381Eclipse
ExploitIssue TrackingThird Party Advisory
Am I Vulnerable?
Check your domain or package.json for CVE-2026-6860 exposure.
Vulnerability Details
CVSS Base Score
5.3/ 10
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Published Date
May 6, 2026
Last Modified
May 12, 2026
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