n8n OAuth2 redirect URI mismatch – fix the /rest/oauth2-credential/callback error March 28, 2026 n8n Authentication Errors
n8n keeps logging me out – fix for session expiry and N8N_USER_MANAGEMENT_JWT_SECRET March 28, 2026 n8n Authentication Errors
n8n CSRF token missing – fix for reverse proxy stripping cookies or wrong N8N_PROXY_HOPS March 28, 2026 n8n Authentication Errors
407 Proxy Authentication Required in n8n – fix HTTP_PROXY env variable March 28, 2026 n8n Authentication Errors
n8n Two-Factor Authentication Failed: Why Login Is Rejected January 16, 2026 n8n Authentication Errors
n8n SAML SSO error – fix for redirect URI mismatch and attribute mapping March 28, 2026 n8n Authentication Errors
