Fraudulent Transaction - Security Flaw in Disposable Cards?

This is how my list of cards in the app looks when the disposable card has been used for a transaction. A new disposable card isn’t available yet.

But if I click on the card and request to see its details, a new card will be generated and its details will be shown. From that point on the list of cards will look like this:

Now the new card is available and can be used by you or by scammers. You should either use it immediately, or terminate it. Either of these two actions will get you to the situation depicted in the first image, i.e. back to safety.

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