CVEvulnerability

CVE-2026-48618

6.5 MEDIUM Published 2026-06-26 Modified 2026-10-25 Official page ↗
Status
Modified
Published
2026-06-26
Last modified
2026-10-25
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)
7.7 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CVSS 3.0 ([email protected])
7.7 HIGH — CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weaknesses
CWE-176, CWE-289

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 configurations

• nodejs node.js 22.22.3 • nodejs node.js 24.16.0 • nodejs node.js 26.3.0

Related

Weakness · CWE (2)

  • CWE-176 Improper Handling of Unicode Encoding weakness
  • CWE-289 Authentication Bypass by Alternate Name weakness

References