Vulnerability intelligence

CVE-2026-48618

A flaw in Node.js TLS hostname handling can cause Node.js unicode dot separator handling can lead to tls wildcard-depth authentication bypass due to resolver and verifier hostname normalization mismat. This can lead to confidentiality impact or bypass of the intended security boundary under affected configurations. This vulnerability affects all supported release lines: Node.js 22, Node.js 24, and Node.js 26.

CVSS Score

—

High

EPSS — Exploit Probability

3.2%

Riskier than 87% 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