CVE-2026-48930

Published Jun 26, 2026

Last updated 8 days ago

Overview

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**.
Source
support@hackerone.com
NVD status
Analyzed
Products
node.js

Risk scores

CVSS 3.1

Type
Primary
Base score
9.8
Impact score
5.9
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity
CRITICAL

CVSS 3.0

Type
Secondary
Base score
5.6
Impact score
3.4
Exploitability score
2.2
Vector string
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Severity
MEDIUM

Weaknesses

support@hackerone.com
CWE-284

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.