picoCTF 2026 Solutions
70 writeupsView all competitions
Web Exploitation (10)Cryptography (12)Reverse Engineering (11)Forensics (8)General Skills (17)Binary Exploitation (8)Blockchain (4)
Challenge Library
The complete picoCTF 2026 reference. 70 step-by-step writeups with commands, explanations, and flags.
Guides for picoCTF 2026
- The Complete picoCTF Beginner's Guide: Learning Path, Tools & Every CategoryNew to picoCTF? Capture your first flag in ten minutes, then learn the tools, the six categories, and the order to tackle them. A practical start-here guide.
- picoCTF 2026: Every Challenge, Sorted by What It Actually TeachesA category-by-category guide to the 70 picoCTF 2026 challenges: what changed this season, which ones teach the most, and a walkthrough link for every single one.
- The picoCTF Web Exploitation Roadmap: Recon to RCEWeb exploitation roadmap: how to learn web hacking in order, a difficulty-tiered path classifying every bug by where your input lands, with technique guides.
- The picoCTF Cryptography Roadmap: From Caesar to Elliptic CurvesCryptography roadmap for CTF: a tiered path from encodings and classical ciphers through RSA, AES, Diffie-Hellman, and elliptic curves, with practice picks.
- The picoCTF Reverse Engineering Roadmap: From Disassembly to DecompilerHow to learn reverse engineering for CTF: an ordered, difficulty-tiered path through assembly, Ghidra, GDB, Frida, per-language reversing, and solver automation.
- The picoCTF Forensics Roadmap: file, strings, and Everything AfterCTF forensics roadmap: start with file, strings, and a hex view, then branch by type across images, audio, captures, disk, and memory. Ordered and linked.
- The picoCTF General Skills Roadmap: The Category Everything Else Rests OnGeneral Skills roadmap for picoCTF: a tiered path through the shell, file inspection, encodings, scripting, remote services, git, and permissions.
- The picoCTF Binary Exploitation Roadmap: Stack to Heap to ROPHow to learn binary exploitation for CTF in order: a beginner-to-advanced pwn roadmap from x86 assembly and gdb through stack smashing, mitigations, ROP, and heap.
- Smart Contract CTF: Four Bugs That Already Drained MainnetSmart contract CTF bugs: four Solidity bug classes the compiler can't fix: picoCTF 2026 primitives to attacker calldata to defensive grep. Mainnet paid $500M.