CVE-2026-48934 Details
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**.
A vulnerability exists in Node.js versions 22, 24, and 26 that allows an attacker to bypass TLS certificate validation. This flaw arises from improper handling of host verification, which can lead to unauthorized connections by reusing sessions with different server names.
Users can upgrade to Node.js versions 22.23.0, 24.17.0, or 26.3.1 to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 26, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://nodejs.org/en/blog/vulnerability/june-2026-security-releases | [email protected] | PatchVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-noinfo | Insufficient Information to Classify Weakness | [email protected] |
| CWE-295 | Improper Certificate Validation | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| nodejs node.js | 22.22.3 24.16.0 26.3.0 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 29, 2026 | CVE Modified | CISA-ADP |
| Jun 26, 2026 | Initial Analysis | [email protected] |
| Jun 26, 2026 | CVE Modified | CISA-ADP |
| Jun 26, 2026 | New CVE Received | [email protected] |