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CVE-2026-48618

6.5 medium SSVC exploitation: none Modified
NVD · CVE.org

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**.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.5 · nodejsNVD modified 2026-10-25 22:10

Affected (CPE criteria) 3

  • cpe:2.3:a:nodejs:node.js:22.22.3:*:*:*:-:*:*:*
  • cpe:2.3:a:nodejs:node.js:24.16.0:*:*:*:-:*:*:*
  • cpe:2.3:a:nodejs:node.js:26.3.0:*:*:*:-:*:*:*

References 17