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Therefore I reverse engineered two dating apps.

Therefore I reverse engineered two dating apps.

And I also got a zero-click session hijacking as well as other enjoyable weaknesses

On this page I reveal a number of my findings throughout the reverse engineering associated with apps Coffee Meets Bagel as well as the League. We have identified a few critical weaknesses throughout the research, each of which have now been reported towards the vendors that are affected.


During these unprecedented times, increasing numbers of people are escaping in to the electronic globe to handle social distancing. Of these times cyber-security is more crucial than ever before. From my experience that is limited few startups are mindful of security recommendations. The firms in charge of a range that is large of apps are not any exclusion. We started this small scientific study to see exactly just how secure the dating apps that are latest are.

Responsible disclosure

All severity that is high disclosed in this article have already been reported towards the vendors. By the period of publishing, matching patches have already been released, and I also have actually individually confirmed that the repairs have been in spot.

I’ll maybe maybe maybe not offer details to their proprietary APIs unless appropriate.

The prospect apps

We picked two popular apps that are dating on iOS and Android os.

Coffee Suits Bagel

Coffee satisfies Bagel or CMB for brief, launched in 2012, is well known for showing users a restricted wide range of matches every single day. They’ve been hacked when in 2019, with 6 million records taken. Leaked information included a name that is full current email address, age, enrollment date, and sex.