VULNERABILITY INTELLIGENCE
CVE-2026-56354
CVSS score4.1 MEDIUM
EPSS probability0.24%
CISA KEVNot currently listed
Published2026-07-10
Last modified2026-10-29
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
Description
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.
Weakness classification
- disclosure@vulncheck.com: CWE-79
Primary references
- disclosure@vulncheck.com — Mitigation, Vendor Advisory
- disclosure@vulncheck.com — Third Party Advisory