CVE-2026-65594: n8n 2.30.0

CVE-2026-65594. CVSS 3.1 base score 6.5 (MEDIUM, NVD). EPSS 0.0044 (percentile 0.37279), scored 24-Oct-2026.

Affected technology

n8n · from 2.27.0 (inclusive), before 2.29.8 (exclusive)
n8n

n8n · 2.30.0
n8n

n8n · 0 to before 2.30.1
n8n-io

n8n · 0 to before 2.29.8
n8n-io

Description’s affected range: before 2.29.8 and 2.30.x before 2.30.1 (affected from 2.27.0

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

A member-level user can register an OAuth client, self-approve consent for another user's workflow, and obtain a valid token. Vendor/CNA’s CVSS 4.0 assessment (base score 5.1/10) rates confidentiality and integrity impact as low; availability impact as none.

Published 25-Oct-2026 01:30 UTC

CWE: CWE-863
CCR priority: 26.1 /100 (P4)
CVSS 3.1: 6.5 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N · NVD
EPSS: 0.0044 · percentile 0.37279 · 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-2026-65594.html