Language: PHP
Label: vulnerable
CWE: CWE-352 \u2014 Cross-Site Request Forgery (CSRF)
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.

Code:
    public function sentAssetAcceptanceReminder($acceptanceId = null)
    {
        $this->authorize('reports.view');

        if (!$acceptance = CheckoutAcceptance::pending()->find($acceptanceId)) {
            // Redirect to the unaccepted assets report page with error
            return redirect()->route('reports/unaccepted_assets')->with('error', trans('general.bad_data'));
        }
        $assetItem = $acceptance->checkoutable;

        if (is_null($acceptance->created_at)){
            return redirect()->route('reports/unaccepted_assets')->with('error', trans('general.bad_data'));
        } else {
            $logItem_res = $assetItem->checkouts()->where('created_at', '=', $acceptance->created_at)->get();
            if ($logItem_res->isEmpty()){
                return redirect()->route('reports/unaccepted_assets')->with('error', trans('general.bad_data'));
            }
            $logItem = $logItem_res[0];
        }

        if(!$assetItem->assignedTo->locale){
            Notification::locale(Setting::getSettings()->locale)->send(
                $assetItem->assignedTo,
                new CheckoutAssetNotification($assetItem, $assetItem->assignedTo, $logItem->user, $acceptance, $logItem->note)
            );
        } else {
            Notification::send(
                $assetItem->assignedTo,
                new CheckoutAssetNotification($assetItem, $assetItem->assignedTo, $logItem->user, $acceptance, $logItem->note)
            );
        }

        return redirect()->route('reports/unaccepted_assets')->with('success', trans('admin/reports/general.reminder_sent'));
    }