While requesting ChatGPT to explain me about the data format of binaries files from SVOX Picotts I received information from other files from other user. Everything started fine, it explained the details:

And same for the second file:

But after the initial analysis it ask if I want to get more deep information and when I said Yes, it started showing an information from other file, probably from other user doing reverse engineering of some FPGA tool:

Note that I was speaking in English and switched automatically to Portuguese (my native language)

But after some time it was able to figure out its mistake:

Anyway it raises a red flag for people uploading personal files, like medical files, etc. It should be very dangerous because ChatGPT could leak it unintentionally!