0.0
NA
CVE-2026-48930
Node.js TLS Hostname Handling Vulnerability
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**.

INFO

Published Date :

June 26, 2026, 1:14 a.m.

Last Modified :

June 26, 2026, 1:14 a.m.

Remotely Exploit :

No

Source :

hackerone
Affected Products

The following products are affected by CVE-2026-48930 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Update Node.js to a patched version to fix TLS hostname handling and prevent authority rebinding.
  • Update Node.js to a version that includes the fix.
  • Apply security patches for affected Node.js releases.
  • Review TLS configuration for proper hostname validation.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-48930 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.