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CVE PROGRAM SOURCE RECORD5.9 Medium

CVE-2026-48615

A flaw in Node.js proxy tunnel error handling could expose proxy credentials in `ERR_PROXY_TUNNEL` error messages.

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**.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

nodejs node

Default version status: unaffected

  • 22.22.3 to ≤ 22.22.3affected
  • 24.16.0 to ≤ 24.16.0affected
  • 26.3.0 to ≤ 26.3.0affected

References