Authentication Bypass Affecting nodejs22-npm package, versions <1:10.9.8-1.22.23.1.1.amzn2023.0.1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
3.23% (87th percentile)

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  • Snyk IDSNYK-AMZN2023-NODEJS22NPM-17888367
  • published8 Jul 2026
  • disclosed26 Jun 2026

Introduced: 26 Jun 2026

CVE-2026-48618  (opens in a new tab)
CWE-289  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 nodejs22-npm to version 1:10.9.8-1.22.23.1.1.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2026-1921.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nodejs22-npm package and not the nodejs22-npm package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

A flaw in Node.js TLS hostname handling can cause Node.js unicode dot separator handling can lead to tls wildcard-depth authentication bypass due to resolver and verifier hostname normalization mismat.

This can lead to confidentiality impact or bypass of the intended security boundary under affected configurations.

This vulnerability affects all supported release lines: Node.js 22, Node.js 24, and Node.js 26.

CVSS Base Scores

version 3.1