Writeup for Weird config updater from NDIAS Automotive/IoT CTF 2026. A ZIP parser-differential between the validation and extraction paths lets a debug config slip through a release-only check.
Writeup for Chusembly from EHAX CTF 2026. A miscellanious challenge involving sandbox escape and arbitrary Python code execution via an unrestricted custom assembly interpreter.
Pwn/Concurrency challenge involving a TOCTOU race condition where input pipelining is used to beat a 1ms thread timer.