Recently I encountered a frustrating login issue with Great Learning.
What’s the weirdest bug you have found in Authentication?
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Hey @anshabatra2007
One of the weirdest authentication bugs I’ve come across was “The Space Bar Bypass.” In this case, a system allowed users to log in with either the correct password or the correct password, plus an extra space at the end.
Some users who accidentally typed a space were still able to access their accounts, while others couldn’t log in without that extra space. I remember once Instagram has the same issue when I tried logging in 
This happened due to improper handling of whitespace in the password validation logic, making it both a weird and critical issue!
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