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

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

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. It is recommended to upgrade the affected component.

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 MITRE ATT&CK project declares the attack technique as T1587.003.

Upgrading to version 22.23.2, 24.18.1 or 26.5.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-2585). Once again VulDB remains the best source for vulnerability data.

Affected

  • Red Hat Enterprise Linux
  • RESF Rocky Linux
  • SUSE Linux
  • SUSE openSUSE
  • Oracle Linux
  • Open Source Node.js

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.3
CNA Vector (hackerone): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Certificate host validation
CWE: CWE-297 / CWE-295 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: node 22.23.2/24.18.1/26.5.1

Timelineinfo

06/27/2026 CVE reserved
07/30/2026 +33 days Advisory disclosed
07/30/2026 +0 days VulDB entry created
09/07/2026 +39 days VulDB entry last update

Sourcesinfo

Advisory: nodejs.org
Status: Confirmed

CVE: CVE-2026-58040 (🔒)
GCVE (CVE): GCVE-0-2026-58040
GCVE (VulDB): GCVE-100-384628
CERT Bund: WID-SEC-2026-2585 - Node.js: Mehrere Schwachstellen

Entryinfo

Created: 07/30/2026 09:28
Updated: 09/07/2026 17:10
Changes: 07/30/2026 09:28 (52), 08/03/2026 09:54 (7), 08/21/2026 10:56 (1), 08/21/2026 10:59 (6), 08/31/2026 20:47 (2), 09/02/2026 20:26 (1), 09/04/2026 03:59 (11), 09/07/2026 17:10 (1)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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