$ ctf42

#ssrf CTF challenges

19 CTF challenges using ssrf from 17 CTFs (2020–2025), 19 with writeups. Mostly Web (95%).

Web · 18 Misc · 1

Often combined with

#dns-rebinding 3 #prototype-pollution 2 #insecure-deserialization 2 #path-traversal 2 #blacklist-bypass 1 #gopher-protocol 1 #deno-file-scheme 1 #lfi 1 #ftp-crlf-injection 1 #rabbitmq 1 #nodemailer-attachment 1 #race-condition 1 #ftp-passive-mode 1 #x-accel-redirect 1 #url-parsing-bypass 1

Challenges

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Challenge CTF Weight Category Has
go-gopher AmateursCTF 2023 24.54 Web files wu 3
ContrivedWebProblem PlaidCTF 2020 93.15 Web files wu 3
Log_Action UIUCTF 2024 – Web files wu 3
ImageServicesViewer TetCTF 2023 53.89 Web files wu 2
Raas InCTF 2021 70.41 Web files wu 2
Wowza PlaidCTF 2021 99.64 Web files wu 2
File.io WeCTF 2022 36.12 Misc files wu 1
gitfile_explorer zer0pts 2022 35.97 Web files wu 1
safe_proxy CrewCTF 2023 20.33 Web files wu 1
TrashBin TeamItaly 2023 24.88 Web files wu 1
GOFTP SCTF 2021 – Web files wu 1
pwnyIDE UIUCTF 2021 – Web files wu 1
saasme corCTF 2021 24.92 Web files wu 1
DeadTube 1337UP 2022 22.49 Web files wu 1
Proxy SAS 2025 Quals 20.72 Web files wu 1
ebg13 BuckeyeCTF 2025 – Web files wu 1
2rm1 0CTF 2021 Quals – Web files wu 1
raas-v1 ASIS 2022 Finals 87.00 Web files wu 1
dummyhole SECCON 2025 Quals – Web files wu 1