CVE-2026-56850

Updated on 30 Jul 2026

Severity

4.4 Medium severity

Details

CVSS score
4.4
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Overview

About vulnerability

A flaw in Node.js HTTPS Agent connection reuse can cause PFX object-array key collisions, allowing mutual TLS (mTLS) client identities to be reused across requests configured with different client certificates.

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

Details

Affected packages:
alt-nodejs16 @ 16 (+92 more)

Fixes