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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/eclipse-vertx/vert.x/pull/6102	Issue Tracking Patch
https://github.com/eclipse-vertx/vert.x/security/advisories/GHSA-3g76-f9xq-8vp6	Exploit Vendor Advisory
https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/381	Exploit Issue Tracking Third Party Advisory
https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/381	Exploit Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:eclipse:vert.x::::::::
	cpe:2.3:a:eclipse:vert.x::::::::

History

No history.

Information

Published : 2026-05-06 10:16

Updated : 2026-06-17 11:01

NVD link : CVE-2026-6860

Mitre link : CVE-2026-6860

CVE.ORG link : CVE-2026-6860

JSON object : View

Products Affected

eclipse

vert.x

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

CWE-295

Improper Certificate Validation

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