Linux Distros Unpatched Vulnerability : CVE-2026-48930

critical Nessus Plugin ID 321686

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

- 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**. (CVE-2026-48930)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

Plugin Details

Severity: Critical

ID: 321686

File Name: unpatched_CVE_2026_48930.nasl

Version: 1.8

Type: Local

Agent: unix

Family: Misc.

Published: 6/20/2026

Updated: 7/10/2026

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.92

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.5

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

CVSS Score Source: CVE-2026-48930

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:11.0, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:centos:centos:nodejs-devel, p-cpe:/a:redhat:enterprise_linux:nodejs-full-i18n, cpe:/o:debian:debian_linux:12.0, p-cpe:/a:debian:debian_linux:nodejs, p-cpe:/a:redhat:enterprise_linux:nodejs-packaging-bundler, p-cpe:/a:centos:centos:nodejs, cpe:/o:canonical:ubuntu_linux:25.10, p-cpe:/a:centos:centos:nodejs-full-i18n, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:centos:centos:v8-13.6-devel, p-cpe:/a:centos:centos:npm, p-cpe:/a:centos:centos:v8-12.4-devel, cpe:/o:centos:centos:8, p-cpe:/a:redhat:enterprise_linux:nodejs-packaging, p-cpe:/a:canonical:ubuntu_linux:nodejs, p-cpe:/a:redhat:enterprise_linux:v8-13.6-devel, p-cpe:/a:centos:centos:nodejs-packaging-bundler, cpe:/o:redhat:enterprise_linux:8, cpe:/o:debian:debian_linux:13.0, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:redhat:enterprise_linux:v8-12.4-devel, p-cpe:/a:centos:centos:nodejs-packaging, p-cpe:/a:redhat:enterprise_linux:nodejs-nodemon, p-cpe:/a:redhat:enterprise_linux:nodejs-docs, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, p-cpe:/a:centos:centos:nodejs-nodemon, p-cpe:/a:redhat:enterprise_linux:nodejs, p-cpe:/a:redhat:enterprise_linux:nodejs-libs, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:redhat:enterprise_linux:npm, p-cpe:/a:redhat:enterprise_linux:nodejs-devel, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:centos:centos:nodejs-docs, p-cpe:/a:centos:centos:nodejs-libs

Required KB Items: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Reference Information

CVE: CVE-2026-48930

Detections

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