CVE-2026-56850 Affecting nodejs package, versions <22.23.2-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.08% (1st percentile)

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  • Snyk IDSNYK-ALPINE321-NODEJS-18430441
  • published30 Jul 2026
  • disclosed30 Jul 2026

Introduced: 30 Jul 2026

NewCVE-2026-56850  (opens in a new tab)

How to fix?

Upgrade Alpine:3.21 nodejs to version 22.23.2-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nodejs package and not the nodejs package as distributed by Alpine. See How to fix? for Alpine:3.21 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1