CVE-2026-6860

MEDIUM EPSS 14.7%
Published May 6, 20261mo ago · Modified Jun 17, 20261w ago
6.9 CVSS 4.0
Medium
Find Similar
Published May 6, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

Description

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 Details

Base Score
6.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/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 Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
14.7% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 2

CWE-295
CWE-770

Affected Products 2

VendorProductVersionRange
eclipsevert.x*≥4.3.4  –  ≤4.5.26
eclipsevert.x*≥5.0.0  –  ≤5.0.11

References 3

  • github.com https://github.com/eclipse-vertx/vert.x/pull/6102
    Issue TrackingPatch
  • github.com https://github.com/eclipse-vertx/vert.x/security/advisories/GHSA-3g76-f9xq-8vp6
    ExploitVendor Advisory
  • gitlab.eclipse.org https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/381
    ExploitIssue TrackingThird Party Advisory

Remediation

  • github.com https://github.com/eclipse-vertx/vert.x/pull/6102
    Issue TrackingPatch