From d9616fc36fd20e1c91ed13fc49e87ac9715bd282 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Iv=C3=A1n=20Ovejero?= <ivov.src@gmail.com>
Date: Wed, 22 May 2024 17:29:30 +0200
Subject: [PATCH] fix(core): Fix iFrame not displaying on FE dev mode
 (no-changelog) (#9492)

---
 packages/cli/src/Server.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/cli/src/Server.ts b/packages/cli/src/Server.ts
index c8054a78b..446ec367a 100644
--- a/packages/cli/src/Server.ts
+++ b/packages/cli/src/Server.ts
@@ -371,7 +371,8 @@ export class Server extends AbstractServer {
 			const isPreviewMode = process.env.N8N_PREVIEW_MODE === 'true';
 			const securityHeadersMiddleware = helmet({
 				contentSecurityPolicy: false,
-				xFrameOptions: isPreviewMode || inE2ETests ? false : { action: 'sameorigin' },
+				xFrameOptions:
+					isPreviewMode || inE2ETests || inDevelopment ? false : { action: 'sameorigin' },
 				dnsPrefetchControl: false,
 				// This is only relevant for Internet-explorer, which we do not support
 				ieNoOpen: false,