nodejs node up to 22.23.1/24.18.0/26.5.0 Agent certificate host validation

Summaryinfo

A vulnerability was found in nodejs node up to 22.23.1/24.18.0/26.5.0. It has been declared as problematic. This affects an unknown part of the component Agent. Executing a manipulation can lead to certificate host validation. This vulnerability appears as CVE-2026-58040. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability has been found in nodejs node up to 22.23.1/24.18.0/26.5.0 and classified as problematic. This vulnerability affects some unknown processing of the component Agent. The manipulation with an unknown input leads to a certificate host validation vulnerability. The CWE definition for the vulnerability is CWE-297. The product communicates with a host that provides a certificate, but the product does not properly ensure that the certificate is actually associated with that host. As an impact it is known to affect integrity. CVE summarizes:

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**.

The advisory is shared for download at nodejs.org. This vulnerability was named CVE-2026-58040 since 06/27/2026. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/30/2026). The MITRE ATT&CK project declares the attack technique as T1587.003.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• nodejs

Name

• node

Version

• 22.23.0
• 22.23.1
• 24.0
• 24.1
• 24.2
• 24.3
• 24.4
• 24.5
• 24.6
• 24.7
• 24.8
• 24.9
• 24.10
• 24.11
• 24.12
• 24.13
• 24.14
• 24.15
• 24.16
• 24.17
• 24.18.0
• 26.0
• 26.1
• 26.2
• 26.3
• 26.4
• 26.5.0

CPE 2.3info

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CPE 2.2info

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