Challenges

Category Web Pwn Reverse Crypto Forensics Misc OSINT Stego Blockchain Hardware Mobile

Difficulty Beginner Easy Medium Hard Insane

CTFtime weight

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Higher weight ≈ harder, more prestigious event.

Year

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CTF

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Must have Source / Docker Writeup

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Challenge	CTF	Weight	Category	Has
mongolia #mongodb #aggregation-pipeline #filter-bypass	squ1rrel 2026	32.47	Web	files wu 1
Keith Logger #browser-extension #mongodb	HSCTF 2019	–	Web	files src