AlpacaHack Logo

Tag: Authentication Bypass

Sign InSign Up

Authentication Bypass

No description is available for this tag.

Updated May 3, 2026
Authentication Bypass Challenges
Xmas Login
hiikunz

hiikunz

Web
375 solves
I wanna be the Admin
tchen

tchen

Web
296 solves
๐Ÿช
minaminao

minaminao

Web
Beginner
183 solves
Stateless Auth
tchen

tchen

Web
174 solves
Another Login Challenge
tchen

tchen

Web
135 solves
One More Login Challenge
tchen

tchen

Web
129 solves
ding-dong-ting-ping

yoshiking

Crypto
10 solves

Xmas Login

Daily AlpacaHackTopic: SQLReleased: Dec 25, 2025

375 solves
Web

by

hiikunz

hiikunz

๐Ÿฆ™ < There is a vulnerability in this login system!
๐ŸฆŒ < If you can login as us, we will give you a flag as a present!
๐ŸŽ… < Merry Xmas! Hohoho!

Beginner Hint
  • This challenge is about SQL Injection.
  • If you are not familiar with SQL Injection, let's search the internet.
xmas-login.tar.gz
descriptionsolveswriteups