CVE-2026-48615 — HIGH (7.5)

Vulnerability 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**.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Nodejs	Node.Js	22.22.3

Related Weaknesses (CWE)

CWE-359

References

https://nodejs.org/en/blog/vulnerability/june-2026-security-releasesPatchVendor Advisory

FAQ

What is CVE-2026-48615?

CVE-2026-48615 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...

How severe is CVE-2026-48615?

CVE-2026-48615 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-48615?

Check the references section above for vendor advisories and patch information. Affected products include: Nodejs Node.Js.