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.
CVE-2026-65015
CVSS base score
8.8 (v3.1)
Severity
HIGH
Attack vector
Network
Weakness
CWE-863
Last modified
October 29, 2026
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
n8n n8n
References
- github.com Mitigation, Vendor Advisory
- www.vulncheck.com Third Party Advisory, VDB Entry