Writeup for Flight Risk from EHAX CTF 2026. A web challenge demonstrating React Flight deserialization (react2shell) and bypassing a WAF for RCE on a Next.js application.
Writeup for Kaje from EHAX CTF 2026. A reverse engineering challenge involving analyzing an ELF64 binary to understand its custom MurmurHash3-based PRNG keystream, and exploiting the environment-based seed branching.
Writeup for Breathing Void from EHAX CTF 2026. A miscellanious forensics challenge involving isolating covert timing channels from huge pcap noise.