---
cve: "CVE-2026-48930"
severity: "MEDIUM"
cvss: 5.6
epss: "32%"
vendor: "nodejs"
kev: false
exploited: false
published: "2026-06-26 02:16:52"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-17T18:35:15+02:00"
---

# CVE-2026-48930

> 5.6 MEDIUM

## Beschreibung

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**.

## CVSS-Vektor

```
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Hoch | good |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Gering | warn |
| I Integrität | Gering | warn |
| A Verfügbarkeit | Gering | warn |

## Referenzen

- <https://nodejs.org/en/blog/vulnerability/june-2026-security-releases>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-48930) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_