$ ctf42

#authentication-bypass CTF challenges

4 CTF challenges using authentication-bypass from 4 CTFs (2021–2026), 4 with writeups. Mostly Web (75%) and Crypto (25%).

Web · 3 Crypto · 1

Often combined with

#bcrypt-truncation 1 #pkcs7-padding 1 #aes 1 #sqlite 1 #escape-bypass 1 #sql-injection 1 #password-reset 1

Challenges

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Challenge CTF Weight Category Has
baby_sqli zer0pts 2021 24.56 Web files wu 2
ant_universe VuwCTF 2026 25.00 Web files wu 1
SPAM snakeCTF 2025 Quals 36.65 Web files wu 1
token WRECKCTF 2022 – Crypto files wu 1