Episode 132: In this episode of Critical Thinking - Bug Bounty Podcast, Justin Gardner is joined by Mathias Karlsson to discuss vulnerabilities associated with archives. They talk about his new tool, Archive Alchemist, and explore topics like the significance of Unicode paths, symlinks, and TAR before they end up talking about Charsets again..

Follow us on twitter at: https://x.com/ctbbpodcast

Got any ideas and suggestions? Feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

====== Links ======

Follow your hosts Rhynorater and Rez0 on Twitter:

====== Ways to Support CTBBPodcast ======

Hop on the CTBB Discord!

You can also find some hacker swag at https://ctbb.show/merch!

Today's Sponsor: ThreatLocker - Patch Management

Today’s Guest: Mathias Karlsson

====== This Week in Bug Bounty ======

Swiss Post's 2025 Public Intrusion Test starts on July 28

Intigriti teams with NVIDIA

Bugcrowd Ingenuity Awards

Hack the Hacker Series - AI Vulnerabilities and Bug Bounties

A Novel Technique for SQL Injection in PDO’s Prepared Statements

How We Accidentally Discovered a Remote Code Execution Vulnerability in ETQ Reliance

====== Resources ======

Archive Alchemist

Hacking Livestream #53: The ZIP file format

====== Timestamps ======

(00:00:00) Introduction

(00:10:04) Archive Alchemist

(00:36:05) Unicode Extensions, normalization, and confusion attacks on Zip parsers

(00:48:44) Character Sets

(01:01:49) 7zip & File Names

(01:06:44) Path Traversal, Symlinks & Identifying Techniques

(01:36:05) Hardlinks and TAR

Episode 131: In this episode of Critical Thinking - Bug Bounty Podcast we're covering Christmas in July with several banger articles from Searchlight Cyber, as well as covering things like Raycast for Windows, Third-Person prompting, and touch on the recent McDonalds Leak

Follow us on twitter at: https://x.com/ctbbpodcast

Got any ideas and suggestions? Feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

====== Links ======

Follow your hosts Rhynorater and Rez0 on Twitter:

https://x.com/Rhynorater

https://x.com/rez0__

====== Ways to Support CTBBPodcast ======

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

You can also find some hacker swag at https://ctbb.show/merch!

Today’s Sponsor is Adobe. Use code CTBBP0907 in your first report on Adobe Behance, Portfolio, Fonts or Acrobat Web, and earn a one-time 10% bonus reward!

====== Resources ======

v1 Instance Metadata Service protections bypass

Would you like an IDOR with that? Leaking 64 million McDonald’s job applications

How we got persistent XSS on every AEM cloud site, thrice

Google docs now supports export as markdown

Abusing Windows, .NET quirks, and Unicode Normalization to exploit DNN (DotNetNuke)

How I Scanned all of GitHub’s “Oops Commits” for Leaked Secrets

Bug bounty, feedback, strategy and alchemy

====== Timestamps ======

(00:00:00) Introduction

(00:05:39) Metadata Service protections bypass & Mcdonalds Leak

(00:12:30) Christmas in July with Searchlight Cyber Pt 1

(00:19:43) Export as Markdown, Raycast for Windows, & Third-Person prompting

(00:23:56) Christmas in July with Searchlight Cyber Pt 2

(00:27:39) GitHub’s “Oops Commits” for Leaked Secrets

(00:36:53) Bug bounty, feedback, strategy and alchemy

Episode 130: In this episode of Critical Thinking - Bug Bounty Podcast Justin is joined by Valentino, who shares his journey from hacking Minecraft to becoming a Google hunter. He talks us through several bugs, including an HTML Sanitizer bypass and .NET deserialization, and highlights the hyper creative approaches he tends to employ.

Follow us on twitter at: https://x.com/ctbbpodcast

Got any ideas and suggestions? Feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

====== Links ======

Follow your hosts Rhynorater and Rez0 on Twitter:

https://x.com/Rhynorater

https://x.com/rez0__

====== Ways to Support CTBBPodcast ======

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

You can also find some hacker swag at https://ctbb.show/merch!

Today's Sponsor: ThreatLocker - Patch Management

https://www.criticalthinkingpodcast.io/TL-patch-management

Today’s Guest: Valentino - https://blog.3133700.xyz/

====== Resources ======

JMX Manager

Stored XSS in reclamos

Command Injection in Vertex AI

whitepaper-net-deser.pdf

free-after-use.go

A Journey Into Finding Vulnerabilities in the PMB Library Management System

emulated-register_globals.php

====== Timestamps ======

(00:00:00) Introduction

(00:02:38) JMXProxy Bug Story

(00:09:46) Intro to Valentino

(00:29:08) HTML Sanitizer bypass on MercadoLibre

(00:37:16) Command injection in Vertex AI

(00:44:10) .NET deserialization, & Argument injection to LFR, & Free after use

(00:51:33) Luck, creativity, and evolution as Hacker

(00:59:31) Issues in file extension validation components, Emulated register_globals, & AI Hacking

Episode 129: In this episode of Critical Thinking - Bug Bounty Podcast we chat about the future of hack bots and human-AI collaboration, the challenges posed by tokenization, and the need for cybersecurity professionals to adapt to the evolving landscape of hacking in the age of AI

Follow us on twitter at: https://x.com/ctbbpodcast

Got any ideas and suggestions? Feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

====== Links ======

Follow your hosts Rhynorater and Rez0 on Twitter:

https://x.com/Rhynorater

https://x.com/rez0__

====== Ways to Support CTBBPodcast ======

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

You can also find some hacker swag at https://ctbb.show/merch!

====== This Week in Bug Bounty ======

Improper error handling in async cryptographic operations crashes process

https://hackerone.com/reports/2817648

Recon Series #6: Excavating hidden artifacts with Wayback Machine

https://www.yeswehack.com/learn-bug-bounty/recon-wayback-machine-web-archive

====== Resources ======

This is How They Tell Me Bug Bounty Ends

https://josephthacker.com/hacking/2025/06/09/this-is-how-they-tell-me-bug-bounty-ends.html

Welcome, Hackbots: How AI Is Shaping the Future of Vulnerability Discovery

https://www.hackerone.com/blog/welcome-hackbots-how-ai-shaping-future-vulnerability-discovery

Glitch Token

https://www.youtube.com/watch?v=WO2X3oZEJOA

Conducting smarter intelligences than me: new orchestras

https://southbridge-research.notion.site/conducting-smarter-intelligences-than-me

====== Timestamps ======

(00:00:00) Introduction

(00:04:05) Is this how Bug Bounty Ends?

(00:11:14) Hackbots and handling leads

(00:20:50) Hacker chain of thought & Tokenization

(00:32:54) Context Engineering

Episode 128: In this episode of Critical Thinking - Bug Bounty Podcast we talking Blind SSRF and Self-XSS, as well as Reversing massive minified JS with AI and a wild Google Logo Ligature Bug

Follow us on twitter at: https://x.com/ctbbpodcast

Got any ideas and suggestions? Feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

====== Links ======

Follow your hosts Rhynorater and Rez0 on Twitter:

https://x.com/Rhynorater

https://x.com/rez0__

====== Ways to Support CTBBPodcast ======

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

You can also find some hacker swag at https://ctbb.show/merch!

Today's Sponsor: ThreatLocker - Patch Management

====== This Week in Bug Bounty ======

BitK's "Payload plz" challenge at LeHack

====== Resources ======

Make Self-XSS Great Again

Novel SSRF Technique Involving HTTP Redirect Loops

Surf - Escalate your SSRF vulnerabilities on Modern Cloud Environments

Gecko: Intent to prototype: Framebusting Intervention

Conducting smarter intelligences than me: new orchestras

Mandark

Lumentis

jscollab

Google Logo Ligature Bug

====== Timestamps ======

(00:00:00) Introduction

(00:03:55) Self-XSS and credentialless iframe

(00:16:50) Novel SSRF Technique Involving HTTP Redirect Loops

(00:25:02) Framebusting

(00:29:13) Reversing massive minified JS with AI

(00:53:12) Google Logo Ligature Bug

Episode 126: In this episode of Critical Thinking - Bug Bounty Podcast we wrap up Rez0’s AI miniseries ‘Vulnus Ex Machina’. Part 3 includes a showcase of AI Vulns that Rez0 himself has found, and how much they paid out.

Follow us on twitter at: https://x.com/ctbbpodcast

Got any ideas and suggestions? Feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

====== Links ======

Follow your hosts Rhynorater and Rez0 on Twitter:

https://x.com/Rhynorater

https://x.com/rez0__

====== Ways to Support CTBBPodcast ======

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

You can also find some hacker swag at https://ctbb.show/merch!

Today’s Sponsor - ThreatLocker Web Control

https://www.criticalthinkingpodcast.io/tl-webcontrol

====== Resources ======

Claude Code System Prompt

Attacking AI Agents

Probability of Hacks

New Gemini for Workspace Vulnerability Enabling Phishing & Content Manipulation

How to Hack AI Agents and Applications

====== Timestamps ======

(00:00:00) Introduction

(00:02:53) NahamCon Recap, Claude news, and wunderwuzzi writeups

(00:08:57) Probability of Hacks

(00:11:27) First AI Vulnerabilities

(00:18:57) AI Vulns on Google

(00:25:11) Invisible prompt Injection

Episode 125: In this episode of Critical Thinking - Bug Bounty Podcast Justin shares insights on how to succeed at live hacking events. We cover pre-event preparations, challenges of collaboration, on-site strategies, and the importance of maintaining a healthy mindset throughout the entire process.

Follow us on twitter at: https://x.com/ctbbpodcast

Got any ideas and suggestions? Feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

====== Links ======

Follow your hosts Rhynorater and Rez0 on Twitter:

https://x.com/Rhynorater

https://x.com/rez0__

====== Ways to Support CTBBPodcast ======

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

You can also find some hacker swag at https://ctbb.show/merch!

====== This Week in Bug Bounty ======

Decathlon Public Bug Bounty Program on YesWeHack

====== Resources ======

The Ultimate Double-Clickjacking PoC

Grafana Full read SSRF and Account Takeover: CVE-2025-4123

Grafana CVE-2025-4123 Exploit

What I learned from my first 100 HackerOne Reports

Root for your friends

====== Timestamps ======

(00:00:00) Introduction

(00:02:30) The Ultimate Double-Clickjacking PoC, Grafana CVE, & Evan Connelly's first 100 bugs

(00:10:23) How to win at Live Hacking Events

(00:11:53) Pre-event

(00:11:45) Scope Call

(00:33:11) Dupe window Ends

(00:36:00) Onsite & and Day of Event

(00:42:46) Don't define your identity on the outcome