heavenly's blog

software engineering, reverse engineering, and bug bounties

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recent posts

cal.ai - 5m+ users?

september 8, 2025

in this post, i will explain my journey on finding a data leak, ratelimit issues, and unprotected endpoints on cal.ai

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beerbuddy - 1m+ users

september 4, 2025

in this post, i will explain my journey on finding a data leak, ratelimit issues, and unprotected endpoints on beerbuddy

read more →