Exclusive: Wyndham left a hardcoded credential in its customer app, allowing anyone to access customer data. The hotel giant wouldn't say if it has the ability to check for any past unauthorized access. Get your pass savings & deals before it starts. Image Credits:Michael Nagle / Bloomberg / Getty Images Security Hotel giant Wyndham exposed customer data after app security lapse Zack Whittaker 3:03 PM PST · November 9, 2026 Hotel and.