CVE-2026-56850 Affecting nodejs:22/npm package, versions <1:10.9.8-1.22.23.2.1.module_el8.10.0+4265+75d28086


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.08% (1st percentile)

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  • Snyk IDSNYK-ALMALINUX8-NODEJS-21744009
  • published27 Oct 2026
  • disclosed1 Sept 2026

Introduced: 1 Sep 2026

CVE-2026-56850  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 nodejs:22/npm to version 1:10.9.8-1.22.23.2.1.module_el8.10.0+4265+75d28086 or higher.
This issue was patched in ALSA-2026:62219.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nodejs:22/npm package and not the nodejs:22/npm package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 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