CVE-2026-58040

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). This vulnerability affects Node.js **22.x**, **24.x**, and **26.x**.

CVSS v3 6.3 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector : AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Exploitability : 1.8 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

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

Configurations

No configuration.

History

23 Oct 2026, 22:10

Type	Values Removed	Values Added
Summary		(es) Se ha identificado una corrección incompleta en Node.js: la reutilización de sesión TLS del Agente HTTPS omite la verificación de nombre de host entre políticas de identidad (corrección incompleta de CVE-2026-48934). Esta vulnerabilidad afecta a Node.js 22.x, 24.x, y 26.x.

Information

Published : 2026-07-30 06:25

Updated : 2026-10-23 22:10

NVD link : CVE-2026-58040

Mitre link : CVE-2026-58040

CVE.ORG link : CVE-2026-58040

JSON object : View

Products Affected

No product.

CWE

CWE-297

Improper Validation of Certificate with Host Mismatch

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