Node.js up to 22.22.3/24.16.0/26.3.0 access control

Summaryinfo

A vulnerability was found in Node.js up to 22.22.3/24.16.0/26.3.0. It has been rated as critical. This affects an unknown part. This manipulation causes access control. This vulnerability is handled as CVE-2026-48930. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Node.js up to 22.22.3/24.16.0/26.3.0. It has been declared as critical. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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**.

The advisory is shared at nodejs.org. This vulnerability is known as CVE-2026-48930 since 05/26/2026. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 323047 (SUSE SLES15 Security Update : nodejs24 (SUSE-SU-2026:2633-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 22.23.0, 24.17.0 or 26.3.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (323047). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• JavaScript Library

Name

• Node.js

Version

• 22.22.0
• 22.22.1
• 22.22.2
• 22.22.3
• 24.0
• 24.1
• 24.2
• 24.3
• 24.4
• 24.5
• 24.6
• 24.7
• 24.8
• 24.9
• 24.10
• 24.11
• 24.12
• 24.13
• 24.14
• 24.15
• 24.16.0
• 26.0
• 26.1
• 26.2
• 26.3.0

License

• open-source

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion