CVE-2026-105483Published

A flaw in Node.js TLS hostname verification allows a certificate without a matching IP address SAN to authenticate a connection to an IPv4 address when the host is written with non-ASCII characters, such as fullwidth digits (`１２７.0.0.1`).

Exact source revision recorded 23 Oct 2026 17:48:20 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-105483

Published

node

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "defaultStatus": "unaffected",
                    "vendor": "nodejs",
                    "product": "node",
                    "versions": [
                        {
                            "version": "24.22.0",
                            "status": "affected",
                            "lessThanOrEqual": "24.22.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "26.12.0",
                            "status": "affected",
                            "lessThanOrEqual": "26.12.0",
                            "versionType": "semver"
                        }
                    ]
                }