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: [email protected]

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: [email protected]

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: [email protected]

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 127: In this episode of Critical Thinking - Bug Bounty Podcast we address some recent bug bounty controversy before jumping into a slew of news items

Follow us on X

Shoutout to YTCracker for the awesome intro music!

Today's Sponsor: Adobe

====== This Week In Bug Bounty ======

Hackers Guide to Google dorking

YesWeCaido

New Dojo Challenge

Smart Contract BB tips

Red Team AAS

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

Disclosed

PDF csp bypass

Bypassing File Upload Restrictions To Exploit Client-Side Path Traversal

OBS WebSocket to RCE

Time in a bottle (or knapsack)

How to Differentiate Yourself as a Bug Bounty Hunter

Disclosed. Online

hacked-in

‘EchoLeak’

Piloting Edge Copilot

Newtowner

Tips for agent prompting

Firefox XSS vectors

Tweet from Masato Kinugawa

Chrome debug() function

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: [email protected]

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: [email protected]

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

Episode 124: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joseph cover some news from around the community, hitting on Joseph’s Anthropic safety testing, Justin’s guest appearance on For Crying Out Cloud, and several fascinating tweets. Then they have a quick Full-time Bug Bounty check-in.

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

Got any ideas and suggestions? Feel free to send us any feedback here: [email protected]

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

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

Louis Vuitton Public Bug Bounty Program

CVE-2025-47934 was discovered on one of our Bug Bounty program : OpenPGP.js

Stored XSS in File Upload Leads to Privilege Escalation and Full Workspace Takeover

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

Jorian tweet

Clipjacking: Hacked by copying text - Clickjacking but better

Crying out Cloud Appearance

Wiz Research takes 1st place in Pwn2Own AI category

New XSS vector with image tag

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

(00:00:00) Introduction

(00:10:50) Supabase

(00:13:47) Tweet-research from Jorian and Wyatt Walls.

(00:20:24) Anthropic safety testing challenge & Wiz Podcast guest appearance

(00:27:44) New XSS vector, Google i/o, and coding agents

(00:35:48) Full Time Bug Bounty

Episode 123: In this episode of Critical Thinking - Bug Bounty Podcast we’re back with part 2 of Rez0’s miniseries. Today we talk about mastering Prompt Injection, taxonomy of impact, and both triggering traditional Vulns and exploiting AI-specific features.

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

Got any ideas and suggestions? Feel free to send us any feedback here: [email protected]

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 User Store

https://www.criticalthinkingpodcast.io

/tl-userstore

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

Earning a HackerOne 2025 Live Hacking Invite

https://www.hackerone.com/blog/earning-hackerone-2025-live-hacking-invite

HTTP header hacks: basic and advanced exploit techniques explored

https://www.yeswehack.com/learn-bug-bounty/http-header-exploitation

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

Grep.app

https://vercel.com/blog/migrating-grep-from-create-react-app-to-next-js

Gemini 2.5 Pro prompt leak

https://x.com/elder_plinius/status/1913734789544214841

Pliny's CL4R1T4S

https://github.com/elder-plinius/CL4R1T4S

O3

https://x.com/pdstat/status/1913701997141803329

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

(00:00:00) Introduction

(00:05:25) Grep.app, O3, and Gemini 2.5 Pro prompt leak

(00:11:09) Delivery and impactful action

(00:20:44) Mastering Prompt Injection

(00:30:36) Traditional vulns in Tool Calls, and AI Apps

(00:37:32) Exploiting AI specific features

Episode 122: In this episode of Critical Thinking - Bug Bounty Podcast your boys are MVH winners! First we’re joined by Zak, to discuss the Google LHE as well as surprising us with a bug of his own! Then, we sit down with Lupin and Monke for a winners roundtable and retrospective of the event.

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

Got any ideas and suggestions? Feel free to send us any feedback here: [email protected]

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!

Check out the CTBB Job Board: https://jobs.ctbb.show/

Today’s Guests:

Zak Bennett : https://www.linkedin.com/in/zak-bennett/

Ciarán Cotter: https://x.com/monkehack

Roni Carta: https://x.com/0xLupin

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

We hacked Google’s A.I Gemini and leaked its source code

https://www.landh.tech/blog/20250327-we-hacked-gemini-source-code

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

(00:00:00) Introduction

(00:03:02) An RCE via memory corruption

(00:07:45) Zak's role at Google and Google's AI LHE

(00:15:25) Different Components of AI Vulnerabilities

(00:24:58) MHV Winner Debrief

(01:08:47) Technical Takeaways And Team Strategies

(01:28:49) LHE Experience and Google VRP & Abuse VRP

Episode 121: In this episode of Critical Thinking - Bug Bounty Podcast we cover so much news and research that we ran out of room in the description...

Follow us on X

Shoutout to YTCracker for the awesome intro music!

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

Follow Rhynorater and Rez0 on X:

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

Hop on the CTBB Discord!

We also have hacker swag!

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

Hacker spotlight: Rhynorater

Ultra Mobile BB Program - Mobile Apps

Ultra Mobile BB Program - (Public)

John Deere Program

JD's's BB Program Boosts Cybersecurity

Dojo #41 - Ruby treasure

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

slonser 0-day in chrome

CT Additional useful primitives

How I made $64k from deleted files

CTBB episode with Sharon Brizinov

Rez0's Subdomain Link Launcher

Qwen3 Local Model

May Cause Pwnage

import WAF bypass

Caido Drop

Andre's tweet about encoded word

Nahamcon

Gemini prompt leak

SVG Onload Handlers