Nodejs Node.Js — CVE-2026-48930 (Critical)

Date Jun 26, 2026

Type Vendor advisory

Signal Critical vendor advisory

Vendor / Product Nodejs · Node.Js

CVE CVE-2026-48930

Critical vendor advisory CVE-2026-48930

Summary

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**.

Why it matters

This CVE carries a CRITICAL severity rating (CVSS 9.8) in Nodejs Node.Js. Patch or mitigate promptly. EPSS percentile: 20%.

Operator check

Review CVE-2026-48930 in your asset inventory. Apply patches per vendor guidance and verify Node.Js is not exposed. CVSS score: 9.8. EPSS probability: 0.3%; percentile: 20%.

Sources

NVD — CVE-2026-48930 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

Get watched-vendor alerts Subscribe free Back to feed