CVE-2026-48615
Published:June 26, 2026
Updated:June 29, 2026
A flaw in Node.js proxy tunnel error handling could expose proxy credentials in "ERR_PROXY_TUNNEL" error messages. When proxy credentials are embedded in the proxy URL, they may be exposed through error handling paths and captured by logs, diagnostics, or other error consumers. 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) >=v26.0.0 <v26.3.1Fix Suggestion:
Update to version v26.3.1https://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) >=v22.0.0 <v22.23.0Fix Suggestion:
Update to version v22.23.0Additional Notes
The description of this vulnerability differs from MITRE.
Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.9
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Exposure of Private Personal Information to an Unauthorized Actor
EPSS
Base Score:
0.39