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Servers and applications

CVE-2026-48618

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…

Severity
Medium 6.5
Published
26 Jun 2026
Last changed
10 Aug 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
Node.jsServers and applications · cpe:a:nodejs:node.js
  • Version 22.22.3
  • Version 24.16.0
  • Version 26.3.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-48618
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-48618