AlpacaHack Logo
Sign InSign Up

Daily AlpacaHack

A daily CTF challenge with a fun new puzzle every day

What is Daily AlpacaHack?

We publish one simple, beginner-friendly or educational CTF challenge every day!

Join Anytime

Solve within 24 hours of release to appear on the leaderboard.

Not a Competition

Discussion with friends or AI is welcome (account sharing is prohibited).

Solution Sharing Rules

Sharing solutions is allowed only after 24 hours have passed since release.

Solve stats

0

/133

No solved challenges yet.

Sign In to view your player stats

Today's Challenge
rsk0315
Erased Secret
Misc
Medium
59 solves
Submissions (latest 3)
baloon

SOLVED!

Apr 12, 1:33 PM

Leaderboard

Try the first challenge

Is this your first CTF? Let's begin by tackling the first challenge released on Daily AlpacaHack.

View challenge
admin
AlpacaHack 2100
Misc
Welcome
1,633 solves
Upcoming challenges reveal the , , and in advance.
Prev

May 2026

Next
Solved
Unsolved
Upcoming
Mon
Tue
Wed
Thu
Fri
Sat
Sun
27
Coming soon
28
Coming soon
29
Coming soon
30
Coming soon
1
Coming soon
2
Coming soon
3
Coming soon
4
Coming soon
5
Coming soon
6
Coming soon
7
Coming soon
8
Coming soon
9
Coming soon
10
Coming soon
11
Coming soon
12
Coming soon
13
Coming soon
14
Coming soon
15
Coming soon
16
Coming soon
17
Coming soon
18
Coming soon
19
Coming soon
20
Coming soon
21
Coming soon
22
Coming soon
23
Coming soon
24
Coming soon
25
Coming soon
26
Coming soon
27
Coming soon
28
Coming soon
29
Coming soon
30
Coming soon
31
Coming soon

Want a harder challenge?

Go to B-SIDE

Writeups

Writeup for Daily AlpacaHack 4/5-4/11

kakur41

ja
AES is dead

+6

9 hours ago

Writeup for pacapaca sc

Writeup for AES is dead

Writeup for AES is dead

Rows:

Panic

Topic: Server-SideReleased: Apr 9, 2026

120 solves
Web
Medium

Author:

ark

Uncaught AlpacaError: Cannot convert object to primitive alpaca

panic.tar.gz
descriptionsolveswriteups