{"cve":"CVE-2026-6860","nvd":{"published":"2026-05-06T10:16:26.293","modified":"2026-10-26T19:10:00.163","status":"Analyzed","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_v4":{"vector":"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","score":6.9},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3},"cwes":["CWE-770","CWE-295"],"references":["https://github.com/eclipse-vertx/vert.x/pull/6102","https://github.com/eclipse-vertx/vert.x/security/advisories/GHSA-3g76-f9xq-8vp6","https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/381","https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/381"],"products":["eclipse:vert.x"],"source":"nvd","synced_at":"2026-10-26T19:31:02.781428341+00:00"},"epss":{"cve":"CVE-2026-6860","score":0.00238,"percentile":0.14663,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-3g76-f9xq-8vp6","url":"https://osv.dev/vulnerability/GHSA-3g76-f9xq-8vp6","summary":"Vert.x has a DoS via unbounded server-side SNI SslContext cache growth","modified":"2026-09-10T03:50:45.432000104Z","packages":[{"ecosystem":"Maven","name":"io.vertx:vertx-core","purl":"pkg:maven/io.vertx/vertx-core","ranges":[">=4.3.4 <=4.3.8"],"fixed":[]},{"ecosystem":"Maven","name":"io.vertx:vertx-core","purl":"pkg:maven/io.vertx/vertx-core","ranges":[">=4.4.0 <=4.4.9"],"fixed":[]},{"ecosystem":"Maven","name":"io.vertx:vertx-core","purl":"pkg:maven/io.vertx/vertx-core","ranges":[">=4.5.0 <4.5.27"],"fixed":["4.5.27"]},{"ecosystem":"Maven","name":"io.vertx:vertx-core","purl":"pkg:maven/io.vertx/vertx-core","ranges":[">=5.0.0 <5.0.12"],"fixed":["5.0.12"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}