fix(core): VM2 sandbox should not throw on new Promise (#10298)

packages/@n8n/nodes-langchain/package.json

@@ -153,7 +153,7 @@
     "@langchain/textsplitters": "0.0.3",
     "@mozilla/readability": "^0.5.0",
     "@n8n/typeorm": "0.3.20-10",
-    "@n8n/vm2": "3.9.24",
+    "@n8n/vm2": "3.9.25",
     "@pinecone-database/pinecone": "3.0.0",
     "@qdrant/js-client-rest": "1.9.0",
     "@supabase/supabase-js": "2.43.4",

packages/nodes-base/nodes/Code/test/Code.workflow.json

@@ -59,6 +59,34 @@
 			"type": "n8n-nodes-base.code",
 			"typeVersion": 1,
 			"position": [460, 860]
+		},
+		{
+			"parameters": {
+				"mode": "runOnceForEachItem",
+				"jsCode": "const json = $input.item.json\njson.myNewField = await (async () => json.value)();\n\nreturn $input.item;"
+			},
+			"id": "3cff4a64-c3fd-47d3-a33e-3c446846138f",
+			"name": "With Async Functions",
+			"type": "n8n-nodes-base.code",
+			"typeVersion": 1,
+			"position": [
+				460,
+				1200
+			]
+		},
+		{
+			"parameters": {
+				"mode": "runOnceForEachItem",
+				"jsCode": "const json = $input.item.json\njson.myNewField = await new Promise((resolve) => resolve(json.value));\n\nreturn $input.item;"
+			},
+			"id": "947e4e3e-2da3-40c5-97da-830c4572fc05",
+			"name": "With Promises",
+			"type": "n8n-nodes-base.code",
+			"typeVersion": 1,
+			"position": [
+				460,
+				1380
+			]
 		}
 	],
 	"pinData": {
@@ -103,6 +131,34 @@
 					"myNewField": 2
 				}
 			}
+		],
+		"With Async Functions": [
+			{
+				"json": {
+					"value": 1,
+					"myNewField": 1
+				}
+			},
+			{
+				"json": {
+					"value": 2,
+					"myNewField": 2
+				}
+			}
+		],
+		"With Promises": [
+			{
+				"json": {
+					"value": 1,
+					"myNewField": 1
+				}
+			},
+			{
+				"json": {
+					"value": 2,
+					"myNewField": 2
+				}
+			}
 		]
 	},
 	"connections": {
@@ -139,6 +195,16 @@
 						"node": "Run Once for Each Item  (Legacy Syntax)",
 						"type": "main",
 						"index": 0
+					},
+					{
+						"node": "With Async Functions",
+						"type": "main",
+						"index": 0
+					},
+					{
+						"node": "With Promises",
+						"type": "main",
+						"index": 0
 					}
 				]
 			]

packages/nodes-base/package.json

@@ -830,7 +830,7 @@
   "dependencies": {
     "@kafkajs/confluent-schema-registry": "1.0.6",
     "@n8n/imap": "workspace:*",
-    "@n8n/vm2": "3.9.24",
+    "@n8n/vm2": "3.9.25",
     "amqplib": "0.10.3",
     "alasql": "^4.4.0",
     "aws4": "1.11.0",