KalmarCTF 2026


CTF Archive.

KalmarCTF 2026

KalmarCTF is the annual jeopardy-style CTF hosted by the Danish-led team Kalmarunionen.

Original Date: Fri, 27 Mar. 2026, 17:00 UTC — Sun, 29 Mar. 2026, 17:00 UTC
Original URL: https://kalmarc.tf/
CTFtime Entry: KalmarCTF 2026
Organizing Team: Kalmarunionen



Challenges

RBG+

RBG stands for RSA + SBG + LCG!

To learn about them, please check out lecture1.mp4.

This is a revenge challenge of RBG from Daily Alpacahack.

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

Author: KalmarCTF 2026

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

Rank Hacker Badges Score