Improper Authorization in n8n - #VU135224
Published: June 25, 2026
Vulnerability identifier: #VU135224
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: n8n
Affected software:
n8n
n8n
Detailed vulnerability description
The vulnerability allows a remote user to modify folder associations across project authorization boundaries.
The vulnerability exists due to improper authorization in workflow creation when handling a crafted workflow creation request. A remote user can supply a crafted request payload to modify folder associations across project authorization boundaries.
Only instances with multi-project and folder support enabled are vulnerable.
Remediation
Install security update from vendor's website.