Vulnerability in Node.js Node

CVE-2026-48615

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**.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (32.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-48615: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: -0.000

Affected products

  • Node.js Node — versions 22.22.3, 24.16.0, 26.3.0
  • Node.js — versions 22.22.3, 24.16.0, 26.3.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-48615?
CVE-2026-48615 is a high-severity vulnerability in Node.js Node, classified under Exposure of Private Personal Information to an Unauthorized Actor. CVSS score: 7.5/10. Published 2026-06-26.
How severe is CVE-2026-48615?
High severity. CVSS v3 base score is 7.5 out of 10.