CVE-2026-56354
Published:July 10, 2026
Updated:August 04, 2026
n8n before 1.123.24, 2.10.4, and 2.12.0 (across its 1.x and 2.x branches) contains cross-site scripting and open redirect vulnerabilities in the Form Node due to unsanitized HTML description fields and overly permissive iframe sandbox policies. Authenticated users with workflow creation permissions can inject malicious scripts or redirect parameters to perform stored XSS attacks or phishing redirects against end users.
Affected Packages
n8n (NPM):
Affected version(s) >=2.11.0 <2.12.0Fix Suggestion:
Update to version 2.12.0n8n (NPM):
Affected version(s) >=2.0.0-rc.0 <2.10.4Fix Suggestion:
Update to version 2.10.4n8n (NPM):
Affected version(s) >=0.0.1 <1.123.24Fix Suggestion:
Update to version 1.123.24Related Resources (5)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
EPSS
Base Score:
0.17