CVE-2026-48928

A inconsistency in Node.js hostname matching can cause a trust-policy bypass in multi-context mTLS setups. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

Score

CVSS 3.1 5.4 Medium

Status

Analyzed - support@hackerone.com

Published

2026-06-26

Last modified

2026-10-25

Weaknesses

CWE-284

Affected products

• Node (Nodejs)
• Node.js (Nodejs)

References

• https://nodejs.org/en/blog/vulnerability/june-2026-security-releases