{"cve":"CVE-2026-48618","nvd":{"published":"2026-06-26T02:16:52.397","modified":"2026-10-25T22:10:00.150","status":"Modified","description":"A flaw in Node.js TLS hostname handling can cause Node.js unicode dot separator handling can lead to tls wildcard-depth authentication bypass due to resolver and verifier hostname normalization mismat.\r\n\r\nThis can lead to confidentiality impact or bypass of the intended security boundary under affected configurations.\r\n\r\nThis vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-176","CWE-289"],"references":["https://nodejs.org/en/blog/vulnerability/june-2026-security-releases","https://access.redhat.com/errata/RHSA-2026:28727","https://access.redhat.com/errata/RHSA-2026:29012","https://access.redhat.com/errata/RHSA-2026:30172","https://access.redhat.com/errata/RHSA-2026:35841"],"products":["nodejs:node.js"],"source":"nvd","synced_at":"2026-10-25T23:44:33.281319194+00:00"},"epss":{"cve":"CVE-2026-48618","score":0.03139,"percentile":0.87812,"date":"2026-10-25"},"kev":null,"osv":[],"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."]}