CVE-2026-56850
MEDIUM
NVD
CVSS Score
4.1
Severity
MEDIUM
Published
Jul 30, 2026
Vendor
unknown
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**.