CVE-2026-65015: n8n before 2.30.1 Privilege Escalation via run_node_tool

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-22 · updated 2026-10-29
Weakness: CWE-863

Description

n8n versions before 2.30.1 contain a privilege escalation vulnerability in the AI Agents feature where the node-execution tool lacks proper authorization checks. A Project Viewer user can escalate privileges by chatting with an agent that has node tools enabled, executing arbitrary nodes and accessing credential secrets without proper authorization verification.

Affected products

n8n-io n8n: before 2.29.8; 2.30.0 (and their updates) — fixed in 2.29.8
n8n-io n8n: from 2.30.0 before 2.30.1 — fixed in 2.30.1

How to fix

Upgrade to a fixed version: n8n-io n8n 2.29.8; n8n-io n8n 2.30.1. Check the vendor advisory for mitigations.

References

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