CVE-2026-48930 | THREATINT

Description

A flaw in Node.js TLS hostname handling can cause Embedded-nul hostnames can lead to silent authority rebinding due to c-string truncation in resolver bindings. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

PUBLISHED Reserved 2026-05-26 | Published 2026-06-26 | Updated 2026-06-26 | Assigner hackerone

MEDIUM: 5.6CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Problem types

CWE-284 Improper Access Control - Generic

Product status

Default status

unaffected

22.22.3 (semver)

affected

24.16.0 (semver)

affected

26.3.0 (semver)

affected

References

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

cve.org (CVE-2026-48930)

nvd.nist.gov (CVE-2026-48930)

Download JSON