$ ctf42

#command-injection CTF challenges

17 CTF challenges using command-injection from 15 CTFs (2019–2026), 17 with writeups. Mostly Web (71%) and Misc (18%).

Web · 12 Misc · 3 Pwn · 2

Often combined with

#curl 2 #argument-injection 2 #filter-bypass 2 #newline-injection 1 #webhook 1 #admin-bot 1 #stored-xss 1 #jwt 1 #weak-diffie-hellman 1 #meet-in-the-middle 1 #nmap 1 #rce 1 #glob-expansion 1 #waf-bypass 1 #sandbox-escape 1

Challenges

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Challenge CTF Weight Category Has
20000 Codegate 2019 Quals – Misc files wu 3
Zooo RaziCTF 2020 21.91 Misc files wu 3
lemonthinker RaRCTF 2021 24.53 Web files wu 3
webserver UMassCTF 2021 23.56 Pwn files wu 3
pinger RaziCTF 2020 21.91 Misc files wu 3
Open_Seasame PatriotCTF 2024 31.83 Web files wu 1
Duck_Nettool_Revenge V1T 2026 22.14 Web files wu 1
3_city_elves_writeups b01lers 2024 30.80 Web files wu 1
msgme corCTF 2021 24.92 Web files wu 1
Ping_Me TraceBash 2026 25.00 Web files wu 1
Scanner_Service SekaiCTF 2023 24.86 Web files wu 1
MoozChat PlaidCTF 2020 93.15 Web files wu 1
Flower_Shop PatriotCTF 2023 24.52 Web files wu 1
omgsosmolhowhacc_2_electric_boogaloo PBjar 2021 23.18 Web files wu 1
runway0 BuckeyeCTF 2024 50.91 Pwn files wu 1
png-wizard HSCTF 2022 – Web files wu 1
heiko hxp 2020 94.00 Web files wu 1