$ cat /events/umdctf-2026/README.md

UMDCTF 2026

7 challenges
793 total points
5 categories

> Reverse (1 challenge)

Reverse

UMDCTF - oracle Writeup

> UMDCTF 2026

#reverse-engineering #binary-analysis #cryptography

Apr 26, 2026

> Web (2 challenges)

Web
77 pts

UMDMarket: Time-Travel Arbitrage in WebTransport

> UMDCTF 2026

#webtransport #http3 #aioquic #crypto

Apr 25, 2026

Web
500 pts

OpenInsight: Sandbox Escape & Bot Exploitation

> UMDCTF 2026

#formula-injection #sandbox-escape #bot #xss

Apr 25, 2026

> Crypto (1 challenge)

Crypto
50 pts

Rank Metric Analysis: Decoding Gabidulin Codes

> UMDCTF 2026

#gabidulin-codes #rank-metric #welch-berlekamp #sage

Apr 25, 2026

> OSINT (1 challenge)

OSINT

Osint

> UMDCTF 2026

#osint #telegram #doxxing

Apr 28, 2026

> Misc (2 challenges)

Misc
77 pts

Insider Info: Bypassing DNS Length Limits

> UMDCTF 2026

#networking #dns #python

Apr 27, 2026

Misc
89 pts

AI & RAG: Extracting Hidden Data via JSON Injection

> UMDCTF 2026

#ai #llm #rag-poisoning #json-injection

Apr 25, 2026