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CVE PROGRAM SOURCE RECORD7.7 High

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

Description

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**.

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