---
cve: "CVE-2026-46339"
severity: "CRITICAL"
cvss: 10.0
epss: "3.4%"
vendor: "decolua"
kev: false
exploited: false
published: "2026-07-15 21:16:50"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-24T10:25:14+02:00"
---

# CVE-2026-46339

> 10.0 CRITICAL · 🧪 PoC

## Beschreibung

9Router is an AI router & token saver. From 0.4.30 until 0.4.37, 9Router's src/proxy.js middleware did not protect /api/cli-tools/* and /api/mcp/*, allowing unauthenticated registration of customPlugins through src/app/api/cli-tools/cowork-settings/route.js and command execution through the MCP bridge. This vulnerability is fixed in 0.4.37.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
```

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

## Patch verfügbar (OSV)

- 992f4db4a0d858bcc86b4786f2abab117a6ccdf8 (Commit)

## Referenzen

- <https://github.com/decolua/9router/security/advisories/GHSA-fhh6-4qxv-rpqj>
- <https://github.com/decolua/9router/commit/992f4db4a0d858bcc86b4786f2abab117a6ccdf8>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-46339) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_