CVE-2026-56354
CVE-2026-56354 · n8n - Cross-Site Scripting and Open Redirect in Form Node
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 5.1 · Medium · EPSS 0.2% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
n8n
- Versions
- ≥ 0, < 1.123.24: Affected (semver)
- 1.123.24: Not affected (semver)
- ≥ 2.0.0-rc.0, < 2.10.4: Affected (semver)
- 2.10.4: Not affected (semver)
- ≥ 2.11.0, < 2.12.0: Affected (semver)
- 2.12.0: Not affected (semver)
Update to 1.123.24; Update to 2.10.4; Update to 2.12.0
n8n
- Versions
- ≥ 0, < 2.10.4: Affected (semver)
- 2.10.4: Not affected (semver)
Update to 2.10.4
n8n
- Versions
- ≥ 0, < 1.123.24: Affected (semver)
- 1.123.24: Not affected (semver)
Update to 1.123.24
n8n npm
- Affected ranges
- SEMVER: ≥ 2.11.0, < 2.12.0
Update to 2.12.0
n8n npm
- Affected ranges
- SEMVER: ≥ 2.0.0-rc.0, < 2.10.4
Update to 2.10.4
n8n npm
- Affected ranges
- SEMVER: < 1.123.24
Update to 1.123.24