2026no writeups on CTFtime
EHAX CTF 2026
23 challenges with 27 published solutions between them. CTFtime lists this event but has no writeups filed against it, so it is absent from the index CTFtime feeds. These were found in public repositories instead. Each link is pinned to the commit it was read from.
The event on CTFtimeUncategorised19
The upstream scoreboard did not say, so neither do we.
808080
2 official solutionsLet The Penguin Live
2 official solutionsTictactoe
2 official solutionsArchitects Gambit
1 official solutionBabysal
1 official solutionBabyserial
1 official solutionBorderline Personality
1 official solutionChusembly
1 official solutionDate Spot
1 official solutionGhostkey
1 official solutionIdinahui Writeup
1 official solutionNeural Link
1 official solutionPainter
1 official solutionPAINTER writeup
1 official solutionPenguin writeup
1 official solutionPower Leak
1 official solutionPower Leaks
1 official solutionSarcmAsm
1 official solutionThe Revenge of Womp Womp
1 official solution
Forensics2
Recover something from a file, a capture, or a disk image - often from a part of it the format says is unused.
Solve it with:File type identifier by magic bytesMagic byte and file signature tablePCAP analyzer for CTF network forensicsEXIF metadata viewerLearn: File forensics and carvingLearn: Network forensics
Lost In Waves
1 official solutionQuantum Message
1 official solution
Misc1
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Solve it with:Brainfuck and esolang decoderCipher identifier and automatic decoderRegex tester with match offsets and capture groupsLearn: Recognising encodings
Breathing Void
2 official solutions
Binary exploitation1
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
Challenge Disassembly
1 official solution