CVE-2026-48928

Node.js: Node.js: Trust-policy bypass due to hostname matching inconsistency

Published Jun 26, 2026 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
A inconsistency in Node.js hostname matching can cause a trust-policy bypass in multi-context mTLS setups.

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

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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
Title Node.js Hostname Matching Inconsistency Allows Trust‑Policy Bypass in Multi‑Context mTLS Node.js: Node.js: Trust-policy bypass due to hostname matching inconsistency
Weaknesses CWE-289
References
Metrics threat_severity

None

cvssV3_1

{'score': 4.2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N'}

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 Hostname Matching Inconsistency Allows Trust‑Policy Bypass in Multi‑Context mTLS
Type Values Removed Values Added
Description A inconsistency in Node.js hostname matching can cause a trust-policy bypass in multi-context mTLS setups. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.
Weaknesses CWE-284
References
Metrics cvssV3_0

{'score': 4.2, 'vector': 'CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
hackerone
Published
Updated
Jun 26, 2026, 1:36 PM
Reserved
May 26, 2026, 3:00 PM
Status
Analyzed
Published
Jun 26, 2026, 2:16 AM
Modified
Oct 25, 2026, 10:10 PM
Severity
Moderate
Public date
Jun 26, 2026, 1:14 AM