UTCTF 2026 Walkthrough: "Double Check" (Misc Challenge) - GitHub Commit History Leak #ctf #github

YouTube Excerpt: This video provides a quick, step-by-step walkthrough for solving the "Double Check" challenge in the Misc category of UTCTF 2026. The challenge prompt mentions that the creators cloned a template from Hugo's Static Site Generator (SSG) and asks the player to verify that the website is "clean" before deployment. A GitHub repository link (https://github.com/profile-name) is provided as the starting point. The solution relies on a common OpSec failure: accidentally committing sensitive information to version control. Instead of looking at the current state of the repository's main branch, the player immediately navigates to the repository's commit history. By reviewing past changes, the player identifies a highly suspicious commit titled "added key file to integrate with AWS." Exploring the diff for this specific commit reveals that a file named static/fonts/secret-keys/AWS-key.txt was added, which contains the flag in plain text. Challenge Details: Event: UTCTF 2026 Category: Misc Challenge Name: Double Check Points: 100 Flag Found: utflag{407b1d4_70_h1d3} #ctf #capturetheflag #UTCTF #UTCTF2026 #ctfwalkthrough #cybersecurity #infosec #hackthebox #tryhackme #github #GitLeaks #opsec #MiscChallenge #osint #cybersecuritytraining #ethicalhacking #codingtutorial #Tech #programming #computerscience #hacker #techtips

This video provides a quick, step-by-step walkthrough for solving the "Double Check" challenge in the Misc category of UTCTF 2026. The challenge...

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