---
title: "Discussion on \"BroncoCTF : Super Secure Server\" | Hashnode"
description: "Discussion on \"BroncoCTF : Super Secure Server\". Solve Super Secure Server by abusing client-side authentication, bypassing login with a trusted JSON flag, and retrieving the hidden flag."
url: "https://hashnode.com/posts/broncoctf-super-secure-server/6a53d5d40d2eeb0831a172a3"
---

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# [BroncoCTF : Super Secure Server](https://exploitnotes.hashnode.dev/broncoctf-super-secure-server?utm_source=hashnode&utm_medium=feed)

Solve Super Secure Server by abusing client-side authentication, bypassing login with a trusted JSON flag, and retrieving the hidden flag.

Jul 12 · 4 min read · exploitnotes.hashnode.dev  
Updated Jul 14  
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-   [#broncoctf](https://hashnode.com/tag/broncoctf)
-   [#super-secure-server](https://hashnode.com/tag/super-secure-server)
-   [#broncoctf-writeup](https://hashnode.com/tag/broncoctf-writeup)
-   [#web](https://hashnode.com/tag/web)
-   [#client-side-authentication](https://hashnode.com/tag/client-side-authentication)
-   [#authentication-bypass](https://hashnode.com/tag/authentication-bypass)
-   [#javascript](https://hashnode.com/tag/javascript)
-   [#api](https://hashnode.com/tag/api)
-   [#information-disclosure](https://hashnode.com/tag/information-disclosure)
-   [#web-security](https://hashnode.com/tag/web-security)
-   [#ctf](https://hashnode.com/tag/ctf)
-   [#cybersecurity](https://hashnode.com/tag/cybersecurity)
-   [#source-code-review](https://hashnode.com/tag/source-code-review)
-   [#broken-authentication](https://hashnode.com/tag/broken-authentication)
-   [#exploitnotes](https://hashnode.com/tag/exploitnotes)

## Written by

[Yogeshwar Peela](https://hashnode.com/@exploitnotes)

@exploitnotes · Vishakapatnam, India

  
[View profile](https://hashnode.com/@exploitnotes)

I write detailed writeups on HackTheBox, PicoCTF and other CTF challenges. Passionate about web exploitation, Active Directory attacks and ethical hacking

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