feat(core)!: Introduce insecure mode in task runner (#16911)

packages/@n8n/config/src/configs/runners.config.ts

@@ -62,4 +62,11 @@ export class TaskRunnersConfig {
 	/** How often (in seconds) the runner must send a heartbeat to the broker, else the task will be aborted. (In internal mode, the runner will also  be restarted.) Must be greater than 0. */
 	@Env('N8N_RUNNERS_HEARTBEAT_INTERVAL')
 	heartbeatInterval: number = 30;
+
+	/**
+	 * Whether to disable all security measures in the task runner. **Discouraged for production use.**
+	 * Set to `true` for compatibility with modules that rely on insecure JS features.
+	 */
+	@Env('N8N_RUNNERS_INSECURE_MODE')
+	insecureMode: boolean = false;
 }

packages/@n8n/config/test/config.test.ts

@@ -255,6 +255,7 @@ describe('GlobalConfig', () => {
 			maxConcurrency: 10,
 			taskTimeout: 300,
 			heartbeatInterval: 30,
+			insecureMode: false,
 		},
 		sentry: {
 			backendDsn: '',