UpHeron
All vulnerabilities

Servers and applications

CVE-2026-48930

A flaw in Node.js TLS hostname handling can cause Embedded-nul hostnames can lead to silent authority rebinding due to c-string truncation in resolver bindings. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

Severity
Critical 9.8
Published
26 Jun 2026
Last changed
26 Jun 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-2026-48930
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-48930