Summer Cyber 2026
52 challenges with 101 published solutions between them. The writeups for this event were found in public repositories. Each link is pinned to the commit it was read from.
Where these writeups liveUncategorised52
The upstream scoreboard did not say, so neither do we.
02 Broken Snapshot Header Repair
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
03 Devtalk Stored Xss
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
04 Snapshare File Upload Xxe
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
05 One Handle To Rule Them All
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
06 Zone Transfer Dns Txt
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
07 Nimbuscloud Vhost Enum
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
08 Time Machine Wayback
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
09 Press Kit Document Metadata
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
10 Pixel Secrets Lsb Steganography
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
11 Dial Tone Dtmf
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
12 Backmask Reversed Speech
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
13 Telegraph Morse Code
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
14 Nimbustech Dorking
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
15 Login Bypass Sqli
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
16 Stockpilot Union Sqli
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
17 Meditrust Idor
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
18 Something Extra
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
19 Caught On Wire
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
20 Just Use Strings
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
21 Knock Knock
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
22 Snake Bytecode
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
23 Keyed Out
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
24 Shell Game
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
25 The Vigenere Note
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
26 Ones And Zeros
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
27 Hail Caesar
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
28 Peel The Layers
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
29 One Byte Wonder
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
30 Cloudnimbus Exposed Git
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
31 Robots Know The Way
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
32 Just An Admin Cookie
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
33 Broken Access Idor
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
34 Ancient Scroll Caesar
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
35 Merchant Ledger Vigenere
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
36 Frequencies Spectrogram
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
37 Vacation Photo Exif
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
38 Pixels Lie
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
39 Say Cheese
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
40 Wrong Costume
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
41 View From The Source
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
42 Docuvault Path Traversal
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
43 Nimbusbank Jwt Alg None
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
44 Supportdesk Blind Xss
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
45 Matryoshka Nested Encoding
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
46 One Byte Wonder Frequency
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
47 Repeating Whisper Xor
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
48 Textbook Trouble Weak Rsa
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
49 Careless Cipher Ecb Oracle
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
Cipher
2 official solutionsAlso written up in: drengir1/ctf-writeups, drengir1/ctf-writeups
01 Hidden Cargo Carving
1 official solutionAlso written up in: drengir1/ctf-writeups
Payload
1 official solutionAlso written up in: drengir1/ctf-writeups
Press Release
1 official solutionAlso written up in: drengir1/ctf-writeups