CVE-2026-48934 — MEDIUM (4.3)

Vulnerability Description

A flaw in Node.js TLS host verification can cause an attacker to bypass certification validation. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

CVSS Score

4.3

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Nodejs	Node.Js	22.22.3

References

https://nodejs.org/en/blog/vulnerability/june-2026-security-releasesPatchVendor Advisory

FAQ

What is CVE-2026-48934?

CVE-2026-48934 is a vulnerability with a CVSS score of 4.3 (MEDIUM). A flaw in Node.js TLS host verification can cause an attacker to bypass certification validation. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node....

How severe is CVE-2026-48934?

CVE-2026-48934 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-48934?

Check the references section above for vendor advisories and patch information. Affected products include: Nodejs Node.Js.