CTF

Sample CTF 2026

2 write-ups

• Cookie Jar

  A sample write-up. The role is stored in a cookie the user can edit.

  10 Nov 2026webEasy

  • Cookies
  • Broken Access Control
  • Base64

• Baby RSA

  A sample write-up. With e = 3 and a short message, the ciphertext is just a cube.

  02 Nov 2026cryptoEasy

  • RSA
  • Small Exponent