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

26 Oct 2026, 19:10

Type	Values Removed	Values Added
Summary		(es) Un cliente TCP puede realizar un handshake TLS y presentar la extensión de nombre de servidor con un nombre de servidor que es aceptado por un nombre de servidor comodín, p. ej. si el servidor está configurado con un certificado que acepta *.example.com, se puede usar cualquier XYZ.example.com donde xyz sea un nombre válido.

Information

Published : 2026-05-06 10:16

Updated : 2026-10-26 19:10

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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