Disclosure summary
CVE-2026-48928 is a medium-severity CWE-178 vulnerability in Node.js. Mixed-case SNI can bypass mTLS trust policies. 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.