CVE-2026-48615
Published: June 20, 2026Last modified: July 7, 2026
Description
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**.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | NONE |
| Availability impact | NONE |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | nodejs | Unknown (18.16.0-r0) |
| 25 LTS | nodejs | Fixed (22.23.0-r0) | |
| Stream | nodejs | Fixed (24.17.0-r0) | |
| Hardened Containers | 23 LTS | nodejs | Unknown (18.16.0-r0) |
| 25 LTS | nodejs | Fixed (22.23.0-r0) | |
| Stream | nodejs | Fixed (24.17.0-r0) |