CVE-2026-56354
n8n - Cross-Site Scripting and Open Redirect in Form Node
CVSS Score
4.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | n8n |
| Product | n8n |
| Published | Jul 10, 2026 |
| Last Updated | Jul 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
None
Integrity
Low
Availability
None
Affected Versions
n8n / n8n
0 < 1.123.24 2.0.0-rc.0 < 2.10.4 2.11.0 < 2.12.0
n8n / n8n
0 < 2.10.4
n8n / n8n
0 < 1.123.24
References
Credits
🔍 tCu0n9