𝕏 Bug Bounty Writeups 𝕏

🔍 Bug Bounty Hunter | Content Creator | Sharing cybersecurity write-ups & resources | AI | | by @piyush_supiy #bugbounty #bugbountytips

[𝕏 Bug Bounty Writeups 𝕏 @bountywriteups]

Hey everyone! 👋

If you're in pentesting, bug bounty, AppSec, or cloud/AI security, we put together a free Security Researchers Directory so peers, teams, and recruiters in the industry can find you by expertise, skills, and location:

🔗 Add your profile (~2 mins): https://t.co/kWFh7xD6hC

Just drop in your name, location, expertise tags, GitHub/LinkedIn, and any public writeups or platform links. Check it out and get listed! 🚀

[𝕏 Bug Bounty Writeups 𝕏 @bountywriteups]

🐛 Bug Bounty Writeup

• GraphQL Is a Gift to Bug Hunters — Here’s My Introspection-to-Takeover Workflow: https://t.co/ulQYpU6XBR
• How I Hunt for Bugs in AI Agent Tools: https://t.co/sDn16NR44e
• P2 — Unauthenticated AI Agent Access via Cloudflare Turnstile CAPTCHA Bypass Leading to Internal…: https://t.co/xf0xs0b8Zg
• The Race That Confirmed the Wrong Email: https://t.co/M0h0cggIZz
• The SAML Assertion Meant for Someone Else: https://t.co/1TaKQzXZZt
• The CSRF Token Nobody Checked: https://t.co/Cz1I7kA9FM
• Five Low Bugs, One GitHub Private Repo Takeover: https://t.co/swkIztxfdf
• The Referer Header That Redirected OAuth Tokens: https://t.co/SbKyGHFYY2
• How a Login Token for a Forum Became a Login Token for OpenAI’s Internal Code: https://t.co/vY9lAOUWqM
• How I Turned a Single Packet Mismatch into a $10,000 Single-Packet Race Condition (H2/HTTP2 Window…: https://t.co/sDZm6cocuN

[𝕏 Bug Bounty Writeups 𝕏 @bountywriteups]

🐛 Bug Bounty Writeup

• The Forgot-Password Flow Is Where I Take Over Accounts: My Password-Reset Attack Chain: https://t.co/MSjkKtVN8q
• Supply Chain Attacks: How Hackers Compromise npm Packages: https://t.co/gPUOzXUA9h
• Secure Code Audit 01: A Login and Avatar Upload in PHP: https://t.co/De0cF0dlOE
• I Built a Self-Updating Bug Bounty Skill From 200 Reports.: https://t.co/oXQOrs4gqo
• The Confused Deputy, 2026 Edition: https://t.co/szWO4jsK9B
• P3 — Insecure Direct Object Reference (IDOR) in User Profile API: https://t.co/M1V2X3yyg6
• Meta Paid $1.2 Million to Break Its Own AI Agent. The Biggest Bug Wasn’t Even an AI Bug.: https://t.co/icqSubO3OL
• Introducing Ticko Paladin: Monthly Paladin Stars Earn 1,000 USDT in Rewards: https://t.co/DvAp2smdkl
• Two Rulers, One Wire: How an HTTP Desync Earned a First-Time Hunter $6,500 from Slack: https://t.co/Ojbo3JtwOF
• How I Bypassed 2FA by Changing One Request Parameter — and Earned a $$$ Bounty: https://t.co/eJSkeYbdH1

[𝕏 Bug Bounty Writeups 𝕏 @bountywriteups]

🐛 Bug Bounty Writeup

• Raijin AI Explained | The Next Generation of AI-Powered Cybersecurity Tools: https://t.co/CnxLnZcWgi
• The Template That Closes Real Findings: Anatomy of a CORS Dismissal: https://t.co/WCyTJk3sk3
• My first AI bug report got closed within hours (and that was good for me): https://t.co/Aze3NpKWYR
• The WAF Was Never the Wall: https://t.co/H1k81Z2X8J
• Chaining an Open Redirect Into Account Takeover (P1 · CVSS 9.0): https://t.co/8KloQXci4j
• RAG Is an Injection Surface: https://t.co/AY5RWmsXzq
• The Cache That Trusted a Fake Extension: https://t.co/lVJ0hx8b6R
• Deserialization Is 0.4% of Bounty Reports and 4% of Exploited Bugs. Both Numbers Are Right.: https://t.co/XR6ZxYUS1N
• Smali By bithowl: Chapter 17 Method Calls: https://t.co/nJhvZ9vhKe
• The Dangling CDN Record That Unlocked SSO: https://t.co/uCHwnQC98g

[𝕏 Bug Bounty Writeups 𝕏 @bountywriteups]

🐛 Bug Bounty Writeup

• 2FA Bypass via OAuth Account Migration: https://t.co/C0KCo7y8qc
• From Stored XSS to Forced Login via Cookie Tossing: https://t.co/OwAhLo1sYT
• Wanglin Shoes — Redlimit CTF Lab: https://t.co/y7L6kW8Zh1
• How One AI Feature Exposed Data from Multiple Restricted Functions: https://t.co/H8t4s7whqN
• Power CookieWeb Exploitation by LT ‘syreal’ Jones: https://t.co/eEfpYwvmMj
• P3 — Sensitive Information Disclosure Through Verbose API Error Messages: https://t.co/viXvHKBX4B
• Prompt Injection Is Not a Prompt Problem: https://t.co/iNSZEYjmRy
• GPT-6 Cyber: A 51% Jump in Exploit Skill and the Rise of Specialized Cybersecurity AI: https://t.co/qwQ9t4C7Au
• From P4 to P1: Day 15 — Business Logic Vulnerabilities: Finding Flaws in Application Workflows: https://t.co/Jb60Nqq3Sq
• How Peloton Confused Authentication with Authorization: https://t.co/kvALlahieS

[𝕏 Bug Bounty Writeups 𝕏 @bountywriteups]

Wishing everyone a bright, prosperous, and secure Diwali! 🪔✨

May the festival of lights bring boundless joy, success, and safety to you and your loved ones. Have a wonderful celebration! 🎆

🌐 https://t.co/cZxbgIbZt5

#HappyDiwali #Diwali #FestivalOfLights #SecurityCipher #CyberSecurity #SafeDiwali

[𝕏 Bug Bounty Writeups 𝕏 @bountywriteups]

🐛 Bug Bounty Writeup

• How Bug Bounty Programs Work: A Beginner’s Guide: https://t.co/dagIbH29Nt
• The JWT Bugs That Survive ‘We Use OAuth, So We’re Secure’: https://t.co/jdoPmDPcZx
• The Permission the Consent Screen Never Mentioned: OAuth Scope Escalation Through Token Refresh: https://t.co/sDyyd2acxF
• eWPTX Exam Review — What Actually Matters: https://t.co/RgWKeNbDJ9
• When OAuth Works Correctly and Security Doesn’t: A Bug in OAuth Account Linking: https://t.co/DXN1Rrcsnw
• Information Disclosure: The Bug Hunter’s Complete Guide: https://t.co/RyEdOiJSuy
• Why Rate Limiting Fails Against Distributed Attacks — and How to Build One That Holds: https://t.co/PiqaaqAEnA
• SSTI2 ~ CyLab Security Academy Write-up | Server-Side Template Injection: https://t.co/GDgdLg5scK
• Group Injection in aws-iam-authenticator: RBAC Privilege Escalation via {{SessionName}}: https://t.co/ug7SIUU8D5
• From P4 to P1: Day 14 — Privilege Escalation: Finding Horizontal and Vertical Access Control…: https://t.co/NuUhupyxao

[𝕏 Bug Bounty Writeups 𝕏 @bountywriteups]

🐛 Bug Bounty Writeup

• 20 Identity Security Mistakes That Lead to Account Takeover: Learn to Master Your Defenses: https://t.co/vbvrs03SgK
• The Renderer That Trusted Its Own Output: Stored XSS Through a Markdown Sanitization Gap: https://t.co/WLhXMI5gel
• The Password Was in the JSON: A WordPress REST API Access-Control Bug in Secure Custom Fields: https://t.co/Yg89BqsquH
• Broken Access Control #2: I Flipped One Cookie From “false” to “true” and Walked Into the Admin…: https://t.co/aBIpYq5FWu
• The Bouncer Who Only Read IPv4: SSRF in WordPress Playground’s CORS Proxy: https://t.co/XvuL6URK4x
• The Jail That Gave Its Prisoner a Staff Badge: Escaping WordPress Playground’s Sandbox: https://t.co/pGs6XT7SUR
• Bypassing URL Validation with IPv6: An SSRF Story: https://t.co/59hxeFO7iJ
• The Shipment You Shouldn’t Be Able to Touch: https://t.co/FFLFFDnCY1
• Dependency Confusion Explained: How a Missing NPM Package Becomes Remote Code Execution: https://t.co/J7MIEaCZ73

[𝕏 Bug Bounty Writeups 𝕏 @bountywriteups]

🚨 Critical OpenSSH Vulnerability: Passwordless Account Access With Any Password Over 256 Characters!

https://t.co/iLSf313mAv

A newly reported security flaw in OpenSSH could allow attackers to bypass password authentication by supplying an unusually long password (over 256 characters).

⚠️ Why this matters:

Potential authentication bypass.
Attackers may gain unauthorized account access.
Systems relying on affected OpenSSH versions could be at risk.

🔍 Security teams should:

Identify affected OpenSSH versions.
Review vendor advisories and available patches.
Prioritize remediation on exposed SSH services.
Monitor authentication logs for suspicious activity.

Stay alert and keep your SSH infrastructure patched!

#CyberSecurity #OpenSSH #Vulnerability #InfoSec #SecurityResearch #Linux #ZeroDay

[𝕏 Bug Bounty Writeups 𝕏 @bountywriteups]

OpenSSH Password Bypass on Alpine (CVE-2026-123158)

https://t.co/BMEi3QJwS6

#sshhole

[𝕏 Bug Bounty Writeups 𝕏 @bountywriteups]

The $6.3 Billion Binance Hack: A Product Security Breakdown of What Happened, What Should Have Happened, and What Changes Now

https://t.co/2ITpcfY7OE

[𝕏 Bug Bounty Writeups 𝕏 @bountywriteups]

https://t.co/PTHciIKicl

[𝕏 Bug Bounty Writeups 𝕏 @bountywriteups]

https://t.co/14XownNDqC

[𝕏 Bug Bounty Writeups 𝕏 @bountywriteups]

🐛 Bug Bounty Writeup

• 10 Burp Suite Features Most Bug Bounty Hunters Don’t Know About: https://t.co/kOU4diYMiE
• The Bridge Between a Web Page and the Phone Itself: Abusing an Android WebView JavaScript Interface: https://t.co/d27W3JbYE8
• How I Found My First Bug: Information Disclosure via Exposed Directory Listing: https://t.co/aJUIG6HG09
• Killed by a Browser, Revived by a Backslash: https://t.co/5dUkl7aaBk
• The Database Said No. The Disk Said Yes.: https://t.co/NdcLJIgEZ0
• How to Code Python PoCs to Exploit Web Vulnerabilities (2026 Guide): https://t.co/kbK9Tpu8bI
• This Is How Phishing Links Slip Into Trusted Business Emails: https://t.co/4m5OZ2XhWF
• Network Security Testing Explained: What to Look For and How to Test It End to End: https://t.co/Q4l0gqJSDl
• Two Parsers, One Input, Two Different Answers: https://t.co/abaBEUG8HP
• Intigriti XSS Challenge: Beyond the Sanitizer: https://t.co/L9sMxqB8yR

[Muqsit 𝕏 @mqst_]

🖇️A Guide on Modern Web Application Content Discovery

Blog: https://t.co/rMbmCnE8UZ

Author: Luke Bremer (@TrustedSec)

[𝕏 Bug Bounty Writeups 𝕏 @bountywriteups]

🐛 Bug Bounty Writeup

• The Matrix Reloaded: How Web Servers Unmask Malicious HTML & URL Exploits: https://t.co/FFtuVDobvq
• The Mutation Everyone Tested, and the One Field Nobody Did: GraphQL Field-Level Authorization…: https://t.co/yWTP5phfJn
• 15 CI/CD Security Mistakes That Can Lead to Supply Chain Attacks: Learn to Spot and Fix Them: https://t.co/9DTdZvml2i
• Authentication Bypass via Password Reset Flow Manipulation: https://t.co/sdEJ0F6Ewi
• GraphQL API Security: Reconnaissance, Common Vulnerabilities, Exploitation Techniques, and…: https://t.co/Bed93xOjLO
• API Security Testing: A Complete Guide to Reconnaissance, Hidden Endpoints, Mass Assignment, and…: https://t.co/Zv4Jp6SHgt
• Broken Access Control via Direct URL Navigation: Bypassing Premium Feature Restrictions: https://t.co/3myjamUJLH
• From P4 to P1: Day 10 — Server-Side Request Forgery (SSRF): Finding and Validating Server-Side…: https://t.co/R4z3XNl41J
• The Impact Section Is One Word. The Bounty Is $25,000.: https://t.co/6gfgpTE9wz

[𝕏 Bug Bounty Writeups 𝕏 @bountywriteups]

🐛 Bug Bounty Writeup

• 2FA simple bypass — An Authentication Bypass Lab Walkthrough: https://t.co/DD8fxB8PwW
• The JWT Bug I Almost Walked Past : And Why Most Developers Still Get This Wrong: https://t.co/zX2XuMomVI
• The Debugging File Nobody Removed Before Shipping: Secrets Exposed Through a Public Source Map: https://t.co/TPy5DFXLft
• Güvenlik Ürünü Kendini Koruyamazsa: Endpoint Central Ajanı ile Sorumlu İfşa Hikâyem: https://t.co/7VwZTko9bh
• When a Security Product Can’t Protect Itself: My Responsible Disclosure Story with the Endpoint…: https://t.co/j6gARE8IgV
• Valenfind-THM: https://t.co/P50foo3IE1
• The Hidden IDOR Vulnerability in /me/ API Endpoints: https://t.co/1cj9x9jfL3
• Request Smuggling in 2026: Four Bugs, Four Layers, One Seam: https://t.co/BrHiePkd3k
• Terraform Security Explained: How to Write, Scan and Deploy Infrastructure Code Safely: https://t.co/Ovmv9F3yXk
• From P4 to P1 — Day 9: Mass Assignment Vulnerabilities in Bug Bounty Hunting: https://t.co/YTUuZCwqdW

[𝕏 Bug Bounty Writeups 𝕏 @bountywriteups]

🐛 Bug Bounty Writeup

• A Sub-User Could Delete a Company in Munshi: https://t.co/axhknwQbYO
• A Webhook With No Memory: Replay and Forgery in a Payment Notification Endpoint: https://t.co/H7Y3ikNPpe
• Spring4Shell Step by Step: How CVE 2022 22965 Turns Data Binding Into Remote Code Execution in a…: https://t.co/Gd7RB2Fmeb
• ProxyShell Step by Step: How Three Exchange Flaws Chain Into Remote Code Execution in a Lab: https://t.co/OdHU04GHUF
• Meet GitPay: Pay Contributors with a Single Comment: https://t.co/VFhXr4mVPW
• From Shodan to an Unpaid Delivery: How a Chain of Weaknesses Led to Real-World Impact: https://t.co/5mtyM8pa4d
• Giving an AI Agent a File Reader Without a Fence: Arbitrary File Read in an AWS Open-Source Tool: https://t.co/Zc3YqG4lbq
• Introducing the Ticko Bug Bounty: Up to 200,000 USDT for Critical Vulnerabilities: https://t.co/n7NF62Twl4
• From P4 to P1 — Day 8: Broken Function-Level Authorization (BFLA) in Bug Bounty Hunting: https://t.co/DnlFLzAemE