Critical Thinking - Bug Bounty Podcast

Latest Episodes:

Episode 165: Protobuf Hacking, AI-Powered Bug Hunting, and Self-Improving Claude Workflows Mar 12, 2026

Show notes

Episode 165: In this episode of Critical Thinking - Bug Bounty Podcast Justin recaps his Zero Trust World experience, before we dive into Permissions issues client-side bugs, New Hardware Hacking Classes, and using AI to hack.

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, rez0 and gr3pme on X:

https://x.com/Rhynorater

https://x.com/rez0__

https://x.com/gr3pme

Critical Research Lab:

https://lab.ctbb.show/

====== 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!

Sponsored by ThreatLocker - Ringfencing

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

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

bbscope Update

https://x.com/sw33tLie/status/2029344643154919720

Matt Brown's Youtube Channel

https://www.youtube.com/channel/UC3VDCeZYZH7mCihtMVHqppw

Matt's Twitter:

https://x.com/nmatt0

MCP server for HackerOne to search reports

https://x.com/OriginalSicksec/status/2029503063095124461?s=20

Caido Skills

https://github.com/caido/skills

The Agentic Hacking Era: Ramblings and a Tool

https://josephthacker.com/hacking/2026/03/06/the-agentic-hacking-era.html

Announcing AI-driven Caido

https://caido.io/blog/2026-03-06-caido-skill

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

(00:00:00) Introduction

(00:06:23) bbscope report dumping & Matt Brown Training

(00:13:10) MCP server for HackerOne to search reports & protobuff success

(00:24:24) Hacking Mics with Permissions issues client-side bugs

(00:27:26) Can AI Hack things?

Episode 164: Tommy DeVoss: From Black Hat to Bug Bounty LEGEND Mar 05, 2026

Show notes

Episode 164: In this episode of Critical Thinking - Bug Bounty Podcast Justin sits down with Tommy DeVoss to talk about his origin story, Yahoo bugs, and how Tommy first got Justin into Bug Bounty

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, rez0 and gr3pme on X:

https://x.com/Rhynorater

https://x.com/rez0__

https://x.com/gr3pme

Critical Research Lab:

https://lab.ctbb.show/

====== 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 Guest: https://x.com/thedawgyg

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

Python pitfalls: Turning developer mistakes into vulnerabilities

https://www.yeswehack.com/learn-bug-bounty/python-pitfalls-turning-developer-mistakes?utm_source=critical-thinking&utm_medium=sponsored&utm_campaign=article-research-python-pitfalls

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

(00:00:00) Introduction

(00:06:22) Yahoo SSRF

(00:14:56) Tommy's Origin

(00:44:10) Bug Bounty

(00:51:47) SSRF Attraction, AI implementation, & Browser Hacking

Episode 163: Best Technical Takeaways from Portswigger Top 10 2025 Feb 26, 2026

Show notes

Episode 163: In this episode of Critical Thinking - Bug Bounty Podcast It’s that time of year again! We’re looking at the Portswigger Research list of top 10 web hacking techniques of 2025.

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, rez0 and gr3pme on X:

https://x.com/Rhynorater

https://x.com/rez0__

https://x.com/gr3pme

Critical Research Lab:

https://lab.ctbb.show/

====== 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!

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

Parser Differentials: When Interpretation Becomes a Vulnerability

https://www.youtube.com/watch?v=Dq_KVLXzxH8

XSS-Leak: Leaking Cross-Origin Redirects

https://blog.babelo.xyz/posts/cross-site-subdomain-leak/

Playing with HTTP/2 CONNECT

https://blog.flomb.net/posts/http2connect/

Next.js, cache, and chains: the stale elixir

https://zhero-web-sec.github.io/research-and-things/nextjs-cache-and-chains-the-stale-elixir

SOAPwn: Pwning .NET Framework Apps Through HTTP Client Proxies And WSDL

https://watchtowr.com/wp-content/uploads/SOAPwnwatchtowr_soappwn-research-whitepaper_10-12-2025.pdf

Cross-Site ETag Length Leak

https://blog.arkark.dev/2025/12/26/etag-length-leak

Lost in Translation: Exploiting Unicode Normalization

https://www.youtube.com/watch?v=ETB2w-f3pM4

ORM Leaking More Than You Joined For

https://www.elttam.com/blog/leaking-more-than-you-joined-for/

Novel SSRF Technique Involving HTTP Redirect Loops

https://slcyber.io/research-center/novel-ssrf-technique-involving-http-redirect-loops/

Successful Errors: New Code Injection and SSTI Techniques

https://github.com/vladko312/Research_Successful_Errors

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

(00:00:00) Introduction

(00:02:33) Parser Differentials: When Interpretation Becomes a Vulnerability

(00:11:02) XSS-Leak: Leaking Cross-Origin Redirects

(00:18:25) Playing with HTTP/2 CONNECT

(00:22:10) Next.js, cache, and chains: the stale elixir

(00:29:15) SOAPwn: Pwning .NET Framework Apps Through HTTP Client Proxies And WSDL

(00:34:27) Cross-Site ETag Length Leak

(00:41:47) Lost in Translation: Exploiting Unicode Normalization

(00:47:27) ORM Leaking More Than You Joined For

(00:54:07) Novel SSRF Technique Involving HTTP Redirect Loops

(00:58:40) Successful Errors: New Code Injection and SSTI Techniques

Episode 162: HackerOne Training AI on Bug Bounty Data? Feb 19, 2026

Show notes

Episode 162: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joseph sit down with HackerOne Founder & CTO Alex Rice to discuss concerns of Using Hacker Data for AI and decreasing bounties.

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, rez0 and gr3pme on X:

https://x.com/Rhynorater

https://x.com/rez0__

https://x.com/gr3pme

Critical Research Lab:

https://lab.ctbb.show/

====== 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!

Sponsored by ThreatLocker – Join Justin at Zero Trust World in March and get $200 off registration with Code ZTWCTBB26

https://ztw.com/

Today’s Guest: https://x.com/senorarroz

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

XML external entity: The ultimate Bug Bounty guide to exploiting XXE vulnerabilities

https://www.yeswehack.com/learn-bug-bounty/xml-external-entity-guide-xxe?utm_source=Critical_Thinking&utm_medium=Youtube&utm_campaign=XXE_Critical_Thinking&utm_id=XXE_CT

Bug Bounty Maturity Framework

https://bugbountymaturity.com/

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

Confidential Information and Confidentiality Obligations

https://www.hackerone.com/terms/general#:~:text=HackerOne%20may%20use%20Confidential%20Information%20to%20develop%20and/or%20improve%20its%20Services%20(for%20example%2C%20to%20identify%20trends%2C%20and%20to%20train%20AI%20models)%20provided%20such%20use%20does%20not%20result%20in%20disclosure%20of%20Confidential%20Information%20to%20unauthorized%20third%20parties

Ownership and Licenses

https://www.hackerone.com/terms/community#:~:text=8.%20Ownership%20and%20Licenses

I argued with an AI regarding HackerOne using Hacker reports to train PtaaS

https://bugbounty.forum/post/183ff0fc-eb9e-47f8-991d-c0aa5b0bba71

HackerOne PTaaS (likely training their AI on private reports data)

https://www.reddit.com/r/bugbounty/comments/1r5hixk/hackerone_ptaas_likely_training_their_ai_on/

What Makes Agentic PTaaS Different in Real Environments

https://www.hackerone.com/blog/agentic-penetration-testing-as-a-service#:~:text=Our%20agents%20are,real%20enterprise%20constraints

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

(00:00:00) Introduction

(00:08:44) HackerOne AI Terms of Service

(00:24:56) Agentic PTaaS

(00:38:09) Selling data

(00:43:49) Decrease in Bounties

Episode 161: Cross-Consumer Attacks & DTMF Tone Exfil Feb 12, 2026

Show notes

Episode 161: In this episode of Critical Thinking - Bug Bounty Podcast Justin Gives us some quick hits regarding CSRF and Cross Consumer Attacks, and also touches on some breaking questions surrounding HackerOne

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, rez0 and gr3pme on X:

https://x.com/Rhynorater

https://x.com/rez0__

https://x.com/gr3pme

Critical Research Lab:

https://lab.ctbb.show/

====== 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!

Sponsored by ThreatLocker – Join Justin at Zero Trust World in March and get $200 off registration with Code ZTWCTBB26

https://ztw.com/

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

AS Watson

https://app.intigriti.com/programs/aswatson/watsons/detail

YesWeHack 2026 Report

https://choose.yeswehack.com/bug-bounty-report-2026-trends-and-key-insights-yeswehack?utm_source=youtube&utm_medium=sponsor-critical-thinking&utm_campaign=yeswehack-report-2026

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

PhoneLeak: Data Exfiltration in Gemini via Phone Call

https://blog.starstrike.ai/posts/phoneleak-data-exfiltration-in-gemini-via-phone-call/

Max's Tweet about decreasing bounties

https://x.com/0xw2w/status/2020788164378427483

HackerOne General Terms and Conditions

https://www.hackerone.com/terms/general

Research Review #-2: RCE in Google's AI code editor Antigravity (sudi)

https://www.youtube.com/watch?v=JqvJSF2UMyY

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

(00:00:00) Introduction

(00:03:26) YesWeHack 2026 Report

(00:09:12) CSRF Realizations & Data Exfiltration in Gemini via Phone Call

(00:14:38) 7urb0's Youtube, HackerOne decreasing bounties and Section 3.1 controversy.

(00:19:06) Cross Consumer Attacks

Episode 160: Cloudflare Zero-days & Mail Unsubscribing for XSS Feb 05, 2026

Show notes

Episode 160: In this episode of Critical Thinking - Bug Bounty Podcast Joseph and Brandyn. Chat through some news, Including a Cloudflare Zero-day, Turning List-Unsubscribe into an SSRF/XSS Gadget, & Magic String Denial of Service in Claude.

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, rez0 and gr3pme on X:

https://x.com/Rhynorater

https://x.com/rez0__

https://x.com/gr3pme

Critical Research Lab:

https://lab.ctbb.show/

====== 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: Adobe.

Use code CTBB040126, and get a 10% bonus on your bounty for any AI vulnerability which is mapped to the OWASP LLM top 10.

Valid on Adobe Acrobat Web - AI Assistant / PDF Spaces / Content Creation and presentation features using Express

Adobe Express AI Assistant.

Valid through April 1st, 2026

Also we have a Google Cloud VRP Swag Bonus! Mention the podcast in any rewarded (cash or credit) VRP report submission before the end of April to receive bonus swag!

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

Cloudflare Zero-day

https://fearsoff.org/research/cloudflare-acme

Turning List-Unsubscribe into an SSRF/XSS Gadget

https://security.lauritz-holtmann.de/post/xss-ssrf-list-unsubscribe/

Breaking Multi-Tenant Isolation in Heroku Postgres

https://allistair.sh/blog/breaking-heroku-postgres/

Parse and Parse: MIME Validation Bypass to XSS via Parser Differential

https://lab.ctbb.show/research/parse-and-parse-mime-validation-bypass-to-xss-via-parser-differential

Claude Magic String Denial of Service

https://x.com/Frichette_n/status/2013988503336415522

From WebView to Remote Code Injection

https://djini.ai/from-webview-to-remote-code-injection/

DOM XSS Is Not Dead: The Rise of Polyglot Payloads

https://blogs.jsmon.sh/dom-xss-is-not-dead-the-rise-of-polyglot-payloads/

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

(00:00:00) Introduction

(00:06:17) Cloudflare Zero-day & Turning List-Unsubscribe into an SSRF/XSS Gadget

(00:16:57) Breaking Multi-Tenant Isolation in Heroku Postgres & CTBB Research

(00:25:46) Claude Magic String Denial of Service & From WebView to Remote Code Injection

Episode 159: Avoiding Downgrades on Google Cloud VRP with Cote and Darby Hopkins Jan 29, 2026

Show notes

Episode 159: In this episode of Critical Thinking - Bug Bounty Podcast we sit down with the Google Cloud VRP Team to deep-dive policy and reward changes, what the panel process looks like, and how to best configure for success.

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, rez0 and gr3pme on X:

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

Hop on the CTBB 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.

Get some hacker swag

Sponsored by ThreatLocker – Join Justin at Zero Trust World in March and get $200 off registration with Code ZTWCTBB26

https://ztw.com/

Google Cloud VRP Swag Bonus! Mention the podcast in any rewarded (cash or credit) VRP report submission before the end of April to receive bonus swag!

Today’s Guests:

Darby Hopkins

Michael Cote

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

AI Red Teaming Explained by AI Red Teamers

Good Faith AI Research Safe Harbor

Join the Adobe LHE at NULLCON GOA

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

‘Legendary Guy’ - Jakub Domeracki

Google Cloud VRP rewards rules

Google Cloud VRP product tiers

Bug Hunters blog on the 2025 Google Cloud VRP bugSWAT

Google VRP Discord

Google VRP on X

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

(00:00:00) Introduction

(00:10:03) CloudVRP Bugswat Event Breakdown

(00:16:40) VRP Policy & Rewards Changes

(00:04:50) Panel Process

(01:00:08) Configuring for Success & Avoiding Downgrades

(01:33:47) Scenarios for Success

Episode 158: 10hr Marathon Hack-Along Recap + $300k Client-side Bugs Jan 22, 2026

Show notes

Episode 158: In this episode of Critical Thinking - Bug Bounty Podcast we talk about our personal takeaways from the CTBB Charity Hackalong, and then break down some InsertScript POCs, what a $55,000 bug can look like, and if Smart People Ever Say They’re Smart.

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, rez0 and gr3pme on X:

https://x.com/Rhynorater

https://x.com/rez0__

https://x.com/gr3pme

Critical Research Lab:

https://lab.ctbb.show/

====== 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!

Sponsored by ThreatLocker – Join Justin at Zero Trust World in March and get $200 off registration with Code ZTWCTBB26

https://ztw.com/

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

InsertScript - XSS Challenge Solution

https://insert-script.blogspot.com/2020/03/xss-challenge-solution-refresh-header.html

InsertScript - Redirect AuthHeader

https://www.insert-script.com/examples/redirectAuthHeader/send.html

CRLF injection on a 302 redirect

https://x.com/0xdef1ant/status/2009040359482118500

Multiple XSS in Meta Conversion API Gateway Leading to Zero-Click Account Takeover

https://ysamm.com/uncategorized/2025/01/13/capig-xss.html

Arcanum Hack Tips

https://github.com/Arcanum-Sec/hack_tips

Trail of Bits Releases Claude Skills

https://x.com/dguido/status/2011541318229533063

what a $55,000 bug can look like

https://x.com/the_IDORminator/status/2007480636244697237

Pwning Claude Code in 8 Different Ways

https://flatt.tech/research/posts/pwning-claude-code-in-8-different-ways/

Do Smart People Ever Say They’re Smart?

https://labs.watchtowr.com/do-smart-people-ever-say-theyre-smart-smartertools-smartermail-pre-auth-rce-cve-2025-52691/

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

(00:00:00) Introduction

(00:04:18) Technical takeaways from CT Charity Hackalong

(00:22:21) InsertScript POCs & Rez0 and teknogeek's IOT Adventures

(00:32:16) CRLF injection on a 302 redirect & Multiple XSS in Meta

(00:41:00) Trail of Bits, what a $55,000 bug can look like, & Pwning Claude Code

(00:54:16) Do Smart People Ever Say They’re Smart?

Episode 157: Crushing Pwn2Own & H1 with Kernel Driver Exploits Jan 15, 2026

Show notes

Episode 157: In this episode of Critical Thinking - Bug Bounty Podcast we’re joined by Hypr to talk about hacking Mediatek and his experiences with HackerOne and Pwn2Own Ecosystems.

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, rez0 and gr3pme on X:

https://x.com/Rhynorater

https://x.com/rez0__

https://x.com/gr3pme

Critical Research Lab:

https://lab.ctbb.show/

====== 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 Guest: https://x.com/hyprdude

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

Top 10 web hacking techniques of 2025: call for nominations

https://portswigger.net/research/top-10-web-hacking-techniques-of-2025-nominations-open

CVE-2025-13467

https://access.redhat.com/security/cve/cve-2025-13467

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

Hypr's Blog

https://blog.coffinsec.com

mediatek? more like media-rekt, amirite.

https://blog.coffinsec.com/0days/2025/12/15/more-like-mediarekt-amirite.html

kernel-utils

https://github.com/mellow-hype/kernel-utils

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

(00:00:00) Introduction

(00:03:23) Heap Overflow in Mediatek Kernel Drivers

(00:19:23) Kernel Debugging & ioctl Handlers

(00:43:30) Input Structs, Sync to Source, & Privilege Escalation

(00:51:30) HackerOne Ecosystem vs Pwn2Own Ecosystem

(01:17:00) Kernel Utils

(01:26:46) Real World Bugs for Exploit Development vs CTFs

Episode 156: Chill AMA from bugbounty.forum Jan 08, 2026

Show notes

Episode 156: In this episode of Critical Thinking - Bug Bounty Podcast we answer some fantastic questions from over at bugbounty.forum

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, rez0 and gr3pme on X:

https://x.com/Rhynorater

https://x.com/rez0__

https://x.com/gr3pme

====== 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!

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

Critical Thinking Lab

lab.ctbb.show

Cross-Site ETag Length Leak

https://blog.arkark.dev/2025/12/26/etag-length-leak

Clawdbot

https://github.com/clawdbot/clawdbot/

Post from Steve Caldwell

https://x.com/moreconfetti/status/2006494133159162008

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

(00:00:00) Introduction