CVE-2026-48615
High
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**.
SeverityHigh
CVSS7.5
Exploit probability35. percentile0.4%
Product
Nodejs Node.js
PublishedJun 26, 2026
First seenJun 26, 2026
Weakness typeCWE-359CWE-359
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nodejs node.js | 22.22.3, 24.16.0, 26.3.0 | — |
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