CVE-2026-48934

nodejs: Node.js: Certification validation bypass in TLS host verification

Published Jun 26, 2026 CVSS 3.0 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
A flaw in Node.js TLS host verification can cause an attacker to bypass certification validation.

This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DLA Debian DLA DLA-4809-1 nodejs security update
Debian DSA Debian DSA DSA-6517-1 nodejs security update
History
Type Values Removed Values Added
Weaknesses CWE-297
Type Values Removed Values Added
Title Node.js TLS Host Verification Bypass in Node.js 22, 24, and 26 nodejs: Node.js: Certification validation bypass in TLS host verification
Weaknesses CWE-295
References
Metrics threat_severity

None

threat_severity

Moderate

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Nodejs
Nodejs nodejs
Vendors & Products Nodejs
Nodejs nodejs
Type Values Removed Values Added
Title Node.js TLS Host Verification Bypass in Node.js 22, 24, and 26
Weaknesses CWE-297
Type Values Removed Values Added
Description A flaw in Node.js TLS host verification can cause an attacker to bypass certification validation. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.
References
Metrics cvssV3_0

{'score': 4.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
hackerone
Published
Updated
Jun 29, 2026, 12:40 PM
Reserved
May 26, 2026, 3:00 PM
Status
Modified
Published
Jun 26, 2026, 2:16 AM
Modified
Oct 25, 2026, 10:10 PM
Severity
Moderate
Public date
Jun 26, 2026, 1:14 AM