VULNERABILITY INTELLIGENCE

CVE-2026-56850

CVSS score4.4 MEDIUM
EPSS probability0.08%
CISA KEVNot currently listed
Published2026-07-30
Last modified2026-10-23
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Description

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**.

Weakness classification

  • support@hackerone.com: CWE-287

Primary references