---
cve: "CVE-2026-77068"
severity: "HIGH"
cvss: 8.7
epss: "25.3%"
vendor: "n8n-io"
kev: false
exploited: false
published: "2026-08-20 12:16:37"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-05T17:07:33+02:00"
---

# CVE-2026-77068

> 8.7 HIGH · 🧪 PoC

## Beschreibung

n8n before 2.33.4 and 2.34.x before 2.34.1 contain a remote code execution vulnerability in the @n8n/workflow-sdk node-schema loader used for MCP node-schema loading. The loader derives a node's schema module path directly from the attacker-supplied node type string without validating path-traversal sequences. An authenticated user with global:member privileges can reference malicious files via path traversal, causing code execution in the n8n main process.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 14c9aef0552fb4776501ca1c4589451891dd0ef4 (Commit)

## Referenzen

- <https://github.com/n8n-io/n8n/security/advisories/GHSA-6h4x-896x-fw5m>
- <https://www.vulncheck.com/advisories/n8n-before-remote-code-execution-via-path-traversal>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-77068) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_