CVE-2026-6860
MEDIUM
5.3
CVSS Score
Published: May 6, 2026 at 09:55 AM UTC
Updated: June 17, 2026 at 11:01 AM UTC
1 product affected across 1 vendorVert.x
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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.2%
SSVC
PoC
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
ExploitIssue TrackingThird Party Advisory
Source: cverecord
https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/381ExploitVendor Advisory
Source: cverecord
https://github.com/eclipse-vertx/vert.x/security/advisories/GHSA-3g76-f9xq-8vp6SSVC — Action Prioritization
SSVCPoCAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusANALYZED
CWE
CWE-770CWE-295
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