CVE-2026-56356

Summary: CVE-2026-56356 affects n8n’s Chat Trigger node Custom CSS field, where a misconfiguration of the sanitize-html library allows stored XSS. Affected versions: before 1.123.27; 2.0.0–2.13.2; 2.14.0. Impact: an authenticated user with workflow creation/modification rights can inject JavaScri...