CVE-2026-65591: n8n 2.30.0

CVE-2026-65591. CVSS 3.1 base score 8.8 (HIGH, NVD). EPSS 0.00694 (percentile 0.52462), scored 24-Oct-2026.

Affected technology

n8n · before 1.123.64 (exclusive)
n8n

n8n · from 2.0.0 (inclusive), before 2.29.8 (exclusive)
n8n

n8n · 2.30.0
n8n

n8n · 0 to before 1.123.64
n8n-io

n8n · 0 to before 2.30.1
n8n-io

n8n · 0 to before 2.29.8
n8n-io

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

An authenticated user with workflow create or modify permissions can craft a malicious expression to bypass the sanitizer and achieve host-level code execution as the n8n process. Vendor/CNA’s CVSS 4.0 assessment (base score 8.9/10) rates confidentiality, integrity and availability impact as high.

Published 25-Oct-2026 01:29 UTC

CWE: CWE-917
CCR priority: 35.4 /100 (P4)
CVSS 3.1: 8.8 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · NVD
EPSS: 0.00694 · percentile 0.52462 · 2026-10-24
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-25 01:28:19.133527+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-65591.html