CVE-2026-6860GHSA-3G76-F9XQ-8VP6
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
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 4.5.27, 5.0.12
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: poc
- Automatable: yes
- Technical impact: partial
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: poc · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- Eclipse Foundation Eclipse Vert.x
From 4.3.4 · through 4.5.26; From 5.0.0 · through 5.0.11
- io.vertx:vertx-coreMaven
From 4.3.4 · through 4.3.8
- io.vertx:vertx-coreMaven
From 4.4.0 · through 4.4.9
- io.vertx:vertx-coreMaven
From 4.5.0 · fixed in 4.5.27
- io.vertx:vertx-coreMaven
From 5.0.0 · fixed in 5.0.12