Disclosure summary
CVE-2026-48618 is a high-severity CWE-295 vulnerability in Node.js. Unicode hostname separators bypass TLS wildcard depth. Cantina reproduced the behavior, verified its security impact, and coordinated disclosure with the affected maintainer.
Verification standard
Cantina publishes a disclosure only after reproducing the behavior, validating its security impact, and coordinating remediation with the affected project.