2026found by harvest
CPCTF 2026
5 challenges with 5 published solutions between them. No writeups were ever filed against this event's listing, so its solutions were found in public repositories instead. Each link is pinned to the commit it was read from.
The event listingBinary exploitation4
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
Solve it with:ROP gadget finderShellcode assembler and libraryCyclic pattern generator and offset finderFormat string exploit builderLearn: Binary exploitation
Buffer Visualizer
1 official solutionAlso written up in: nathan-tsai/ctf-writeups
Campaign
1 official solutionAlso written up in: nathan-tsai/ctf-writeups
Coding Agent
1 official solutionAlso written up in: nathan-tsai/ctf-writeups
Killionaire
1 official solutionAlso written up in: nathan-tsai/ctf-writeups
Uncategorised1
The upstream scoreboard did not say, so neither do we.
Hidden Recipe
1 official solutionAlso written up in: Lutemia/CTF-Writeups