---
cve: "CVE-2026-53721"
severity: "HIGH"
cvss: 8.8
epss: "29%"
vendor: "nuxt"
kev: false
exploited: false
published: "2026-06-12 13:41:34"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-06T10:57:10+02:00"
---

# CVE-2026-53721

> 8.8 HIGH · 🧪 PoC

## Beschreibung

Nuxt is an open-source web development framework for Vue.js. From versions 3.11.0 to before 3.21.7 and 4.0.0 to before 4.4.7, there is a route-rule middleware bypass via case-sensitivity mismatch between vue-router and the routeRules matcher. This issue has been patched in versions 3.21.7 and 4.4.7.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Patch verfügbar (OSV)

- fd806be61503f6ccad099c070a5d803777ba8a57 (Commit)
- b7d57903b947e788fadfcfdf88be7951943731bf (Commit)

## Referenzen

- <https://github.com/nuxt/nuxt/security/advisories/GHSA-mm7m-92g8-7m47>
- <https://github.com/nuxt/nuxt/commit/07e39cd6f26e407b4192b7865bd17bc44536b9bb>
- <https://github.com/nuxt/nuxt/commit/3f3e3fa7b5eec8e495f4f8ce0a54813a8875a11e>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-53721) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_