CVE-2026-48930CWE-284

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

Medium · published June 26, 2026

CVSS v3.0
5.6
EPSS
0%
Percentile
24.2
In the wild
Unconfirmed
What it is

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**.

The record
Technical detail
CVSS v3.0
5.6 · MEDIUM
Vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00324 · 24.2th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-06-26T01:14Z
EPSS history
Timeline
  • 26 JUN 01:14Z
    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
    cvelistv5