CVE-2026-48930

A flaw was found in Node.js. This vulnerability in the TLS (Transport Layer Security) hostname handling allows embedded null characters in hostnames. This can lead to silent authority rebinding, potentially enabling an attacker to redirect network traffic to an unintended server and disclose sensitive information.

This Moderate impact flaw in Node.js TLS hostname handling allows for silent authority rebinding. The vulnerability arises from c-string truncation when processing embedded-nul hostnames in resolver bindings, potentially enabling an attacker to redirect TLS connections to a malicious server. Exploitation requires high attack complexity.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.