CVE-2026-48930
Published:June 26, 2026
Updated:June 29, 2026
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.
Affected Packages
https://github.com/nodejs/node.git (GITHUB):
Affected version(s) >=v22.0.0 <v22.23.0Fix Suggestion:
Update to version v22.23.0https://github.com/nodejs/node.git (GITHUB):
Affected version(s) >=v24.0.0 <v24.17.0Fix Suggestion:
Update to version v24.17.0https://github.com/nodejs/node.git (GITHUB):
Affected version(s) >=v26.0.0 <v26.3.1Fix Suggestion:
Update to version v26.3.1Additional Notes
The description of this vulnerability differs from MITRE.
Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.6
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Weakness Type (CWE)
Improper Access Control
EPSS
Base Score:
0.38