# CVE-2026-56354: n8n - Cross-Site Scripting and Open Redirect in Form Node

> CVE-2026-56354: n8n - Cross-Site Scripting and Open Redirect in Form Node. CVSS 4.1 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-56354
Last updated: 2026-07-13T16:54:48Z

- Published: 2026-07-10 13:57 UTC · Updated: 2026-07-13 16:54 UTC · Assigner: VulnCheck
- CVSS: 4.1 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
- EPSS: 0.24%, 15th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-79

## 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.

## Affected vendors and products

- n8n: n8n

## Tracked companies

- [n8n](https://rewindex.com/company/n8n.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-56354)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-56354)
- [https://github.com/n8n-io/n8n/security/advisories/GHSA-w673-8fjw-457c](https://github.com/n8n-io/n8n/security/advisories/GHSA-w673-8fjw-457c)
- [https://www.vulncheck.com/advisories/n8n-cross-site-scripting-and-open-redirect-in-form-node](https://www.vulncheck.com/advisories/n8n-cross-site-scripting-and-open-redirect-in-form-node)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-56354 · Markdown: https://rewindex.com/cve/CVE-2026-56354.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-56354 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T05:12:12.609Z