PT-2026-66408 · Node.Js · Node

CVE-2026-56850

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Published

2026-07-30

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Updated

2026-07-30

CVSS v3.1

4.1

Medium

VectorAV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N
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.

Fix

Improper Authentication

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Weakness Enumeration

Related Identifiers

CVE-2026-56850

Affected Products

Node