Node.js 24.x < 24.22.1 / 26.x < 26.12.1 TLS Certificate Hostname Bypass

high Nessus Plugin ID 370489

Synopsis

Node.js - JavaScript run-time environment is affected by a TLS certificate hostname bypass vulnerability.

Description

The version of Node.js installed on the remote host is 24.x prior to 24.22.1 or 26.x prior to 26.12.1. It is, therefore, affected by a TLS certificate hostname bypass vulnerability as referenced in the Wednesday, October 21, 2026 Security Releases advisory.

- TLS certificate hostname verification can be bypassed when the IP address is written using fullwidth digits. (CVE-2026-105483)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Node.js version 24.22.1 / 26.12.1 or later.

Plugin Details

Severity: High

ID: 370489

File Name: nodejs_2026_oct_21_cve_2026_105483.nasl

Version: 1.2

Type: Local

Agent: windows, macosx, unix

Family: Misc.

Published: 10/22/2026

Updated: 10/23/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.52

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:N

CVSS Score Source: CVE-2026-105483

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:nodejs:node.js

Required KB Items: installed_sw/Node.js

Exploit Ease: No known exploits are available

Patch Publication Date: 10/21/2026

Vulnerability Publication Date: 10/21/2026

Reference Information

CVE: CVE-2026-105483

Detections

Analytics