CVE-2026-48930

State: Published
Severity: 5.6 Medium
Published: Jun 26, 2026
Updated: Jun 26, 2026
Reserved: May 26, 2026

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**.

Scores

CVSS	Score	Vector	Source
3.0	5.6 Medium	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L	hackerone

Weaknesses

CWE-284 Improper Access Control - Generic

Affected Products

Product	Versions
nodenodejs	22.22.3 through 22.22.3Affected 24.16.0 through 24.16.0Affected 26.3.0 through 26.3.0Affected

References

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

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