Vulnerability intelligence

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.

CVSS Score

—

Medium

EPSS — Exploit Probability

0.4%

Riskier than 35% of all CVEs

Exploitation

Not in CISA KEV

No federal exploitation record

Remediation

unknown

Check vendor advisories

NVD entry

1 article across 1 outlet · first covered Jun 18, 2026 · latest Jun 18, 2026

Coverage timeline

Node.js fixes critical WebCrypto TLS flaws in urgent update
securityonline.info · Jun 18, 2026