SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-58040

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

MEDIUM 6.3EPSS 0.27%

Does this matter?

Lower severity and a low EPSS score (0.27%). Track it; it rarely justifies an emergency change on its own.

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

CVSS 3.0
6.3 MEDIUMCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
EPSS
0.27% probability · 20th percentile
CISA KEV
Not listed
Weakness
CWE-297
Source
support@hackerone.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.