CVE-2026-58040

Severity CVSS v4.0:

Pending analysis

Type:

CWE-297 Improper Validation of Certificate with Host Mismatch

Publication date:

30/07/2026

Last modified:

30/07/2026

Description

An incomplete fix has been identified in Node.js: HTTPS Agent TLS session reuse skips hostname verification across identity policies (incomplete fix of CVE-2026-48934).<br /> <br /> This vulnerability affects Node.js **22.x**, **24.x**, and **26.x**.

Impact

Vector 3.x

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.30 MEDIUM
Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x

6.30

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://nodejs.org/en/blog/vulnerability/july-2026-security-releases