LA CTF 2026


CTF Archive.

LA CTF 2026

LA CTF is ACM Cyber at UCLA's annual capture-the-flag competition, with accessible beginner problems alongside harder challenges across a broad spread of categories.

This archive currently includes the LA CTF 2026 challenges that were verified as rehostable on pwn.college.

Original Date: Fri, 13 Mar. 2026, 20:00 UTC — Mon, 16 Mar. 2026, 20:00 UTC
Original URL: https://2026.lac.tf/
CTFtime Entry: LA CTF 2026
Organizing Team: PBR | UCLA



Challenges

Don't run out of time.

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: freed

Connect with SSH

Link your SSH key, then connect with: ssh [email protected]

Don't feel like writing a plaintext...

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: pstorm

Connect with SSH

Link your SSH key, then connect with: ssh [email protected]

Finally got the energy to write a trigram substitution cipher. Surely three shuffles are better than one!

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: pstorm

Connect with SSH

Link your SSH key, then connect with: ssh [email protected]

One must imagine sisyphus happy.

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: freed

Connect with SSH

Link your SSH key, then connect with: ssh [email protected]

When bro uses RSA encryption to talk crap behind my back but I lowkenuinely just factor his public key because I know he picked [67]* as his primes.

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: AVDestroyer

Connect with SSH

Link your SSH key, then connect with: ssh [email protected]

LA CTF will take place on Feburary 6 and Feburary 7, 2026.

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: AVDestroyer

Connect with SSH

Link your SSH key, then connect with: ssh [email protected]

I found a hoyoverse claw machine out in the wild. You should play it a lot and give me it all your moneys.

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: r2uwu2

Connect with SSH

Link your SSH key, then connect with: ssh [email protected]

Surely everyone knows the difference between the Cyrillic small letter o, the Greek small letter omicron, and the Latin small letter o, right? :)

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: k

Connect with SSH

Link your SSH key, then connect with: ssh [email protected]

The son of the fortune-teller stands before three doors. A bee. A key. A flag.

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: aplet123

Connect with SSH

Link your SSH key, then connect with: ssh [email protected]

The fish asks you for the flag. Unfortunately, it can only describe it in its own words.

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: pstorm

Connect with SSH

Link your SSH key, then connect with: ssh [email protected]

Dug around the archives and found a floppy disk containing a long-forgotten LA CTF challenge. Perhaps you may be the first to solve it in decades.

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: pstorm

Connect with SSH

Link your SSH key, then connect with: ssh [email protected]

30-Day Scoreboard:

This scoreboard reflects solves for challenges in this module after the module launched in this dojo.

7-Day | 30-Day | All-Time

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