{"cve":"CVE-2026-56354","nvd":{"published":"2026-07-10T15:16:43.030","modified":"2026-10-29T19:17:22.343","status":"Analyzed","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.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","score":5.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-79"],"references":["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"],"products":["n8n:n8n"],"source":"nvd","synced_at":"2026-10-29T19:44:52.144667018+00:00"},"epss":{"cve":"CVE-2026-56354","score":0.00238,"percentile":0.14919,"date":"2026-10-29"},"kev":null,"osv":[{"id":"GHSA-w673-8fjw-457c","url":"https://osv.dev/vulnerability/GHSA-w673-8fjw-457c","summary":"n8n: Authenticated XSS and Open Redirect via Form Node","modified":"2026-07-11T04:11:39.885475788Z","packages":[{"ecosystem":"npm","name":"n8n","purl":"pkg:npm/n8n","ranges":[">=2.11.0 <2.12.0"],"fixed":["2.12.0"]},{"ecosystem":"npm","name":"n8n","purl":"pkg:npm/n8n","ranges":[">=2.0.0-rc.0 <2.10.4"],"fixed":["2.10.4"]},{"ecosystem":"npm","name":"n8n","purl":"pkg:npm/n8n","ranges":["<1.123.24"],"fixed":["1.123.24"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}