---
cve: "CVE-2026-42232"
severity: "CRITICAL"
cvss: 9.4
epss: "48%"
vendor: "n8n-io"
kev: false
exploited: false
published: "2026-05-04 19:16:05"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-07T17:03:41+02:00"
---

# CVE-2026-42232

> 9.4 CRITICAL · 🧪 PoC

## Beschreibung

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via the XML Node leading to RCE when combined with other nodes exploiting the prototype pollution. This issue has been patched in versions 1.123.32, 2.17.4, and 2.18.1.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 90cb7227cf1b18b3065d92c943c07a3b8b3b63a1 (Commit)
- bc9cbea6c94dda489a0daf872373b100d019cab0 (Commit)

## Referenzen

- <https://github.com/n8n-io/n8n/security/advisories/GHSA-hqr4-h3xv-9m3r>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-42232) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_