DIVER OSINT CTF 2026
42 challenges with 50 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 listingUncategorised28
The upstream scoreboard did not say, so neither do we.
Also written up in: diver-osint-ctf/writeups, ipzenn/CTF-Writeups
Accident
2 official solutionsAlso written up in: diver-osint-ctf/writeups, ipzenn/CTF-Writeups
Air2air2
2 official solutionsAlso written up in: diver-osint-ctf/writeups, ipzenn/CTF-Writeups
Also written up in: diver-osint-ctf/writeups, GTCcraft/CTF-Writeups
Read Qr
2 official solutionsAlso written up in: diver-osint-ctf/writeups, GTCcraft/CTF-Writeups
Shopping1
2 official solutionsAlso written up in: diver-osint-ctf/writeups, ipzenn/CTF-Writeups
Sprej
2 official solutionsAlso written up in: diver-osint-ctf/writeups, ipzenn/CTF-Writeups
Also written up in: diver-osint-ctf/writeups
Also written up in: diver-osint-ctf/writeups
Arctic
1 official solutionAlso written up in: diver-osint-ctf/writeups
Container
1 official solutionAlso written up in: diver-osint-ctf/writeups
Cooking
1 official solutionAlso written up in: diver-osint-ctf/writeups
Diode
1 official solutionAlso written up in: diver-osint-ctf/writeups
Elevation
1 official solutionAlso written up in: diver-osint-ctf/writeups
Kaitai1
1 official solutionAlso written up in: diver-osint-ctf/writeups
Kaitai2
1 official solutionAlso written up in: diver-osint-ctf/writeups
Kaitai3
1 official solutionAlso written up in: diver-osint-ctf/writeups
Kohaku
1 official solutionAlso written up in: diver-osint-ctf/writeups
Also written up in: diver-osint-ctf/writeups
Also written up in: diver-osint-ctf/writeups
Owner
1 official solutionAlso written up in: diver-osint-ctf/writeups
Rfi Suspicious Acft
1 official solutionAlso written up in: diver-osint-ctf/writeups
Shopping2
1 official solutionAlso written up in: diver-osint-ctf/writeups
Stargazing
1 official solutionAlso written up in: diver-osint-ctf/writeups
Suspicious Acft
1 official solutionAlso written up in: diver-osint-ctf/writeups
Telelens
1 official solutionAlso written up in: diver-osint-ctf/writeups
Also written up in: diver-osint-ctf/writeups
Tuition
1 official solutionAlso written up in: diver-osint-ctf/writeups
Misc13
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Sunny Saturday
2 official solutionsAlso written up in: diver-osint-ctf/writeups, justina1387/writeups
00 Welcome
1 official solutionAlso written up in: diver-osint-ctf/writeups
01 Automation
1 official solutionAlso written up in: diver-osint-ctf/writeups
02 Interact
1 official solutionAlso written up in: diver-osint-ctf/writeups
03 Leak
1 official solutionAlso written up in: diver-osint-ctf/writeups
04 Attempt Limit
1 official solutionAlso written up in: diver-osint-ctf/writeups
05 Writeup Rules
1 official solutionAlso written up in: diver-osint-ctf/writeups
06 Tell Your Teammate
1 official solutionAlso written up in: diver-osint-ctf/writeups
Buyout
1 official solutionAlso written up in: diver-osint-ctf/writeups
Also written up in: diver-osint-ctf/writeups
Paint
1 official solutionAlso written up in: diver-osint-ctf/writeups
Yonezu1
1 official solutionAlso written up in: diver-osint-ctf/writeups
Yonezu2
1 official solutionAlso written up in: diver-osint-ctf/writeups
Cryptography1
Recover a plaintext or a key from something that was supposed to protect it. In practice: identify the scheme, find the parameter the author got wrong, exploit it.
Stable
1 official solutionAlso written up in: diver-osint-ctf/writeups