Sentinelle blog

How I Found a Critical IDOR on a Bug Bounty Program With My Own Tool

A real bug bounty case study: I found a critical GraphQL IDOR with Sentinelle in minutes by exploiting an unprotected mutation vulnerable to account takeover.

Chris · May 21, 2026

What Your Bug Bounty Program Isn't Telling You (And What an AI Agent Finds in 45 Minutes)

Bug bounty researchers optimize for fast payouts, not complex chains. Agentic AI finds what they miss.

Chris · May 21, 2026

Latest feed

Recent updates

Chris
May 23, 2026
OpenAI launched Daybreak, a GPT-5.5-powered cybersecurity platform that detects vulnerabilities, generates fixes, and speeds up remediation.
OpenAI Daybreak: The AI Cybersecurity Platform That Wants to Automate Defense[ia-agents]
3 min
Chris
May 22, 2026
Cursor officially launched Composer 2.5 with major improvements in long-task reliability, instruction-following, and coding workflows. Here’s what actually changed.
Cursor Composer 2.5: The First Real Leap in AI Coding Agents?[ia-agents]
3 min
Chris
May 22, 2026
GitHub confirmed a supply chain compromise involving a poisoned VS Code extension that exposed around 3,800 internal repositories. Here’s what happened and why it matters
GitHub Compromised Through a Poisoned VS Code Extension: A Supply Chain Wake-Up Call[web]
2 min
Chris
May 22, 2026
Offensive AI case study: how Sentinel turned a simple backend flaw into full admin access and payment-card exposure in under 2 minutes.
How a Simple Logic Flaw Became a Full Platform Compromise in Under 2 Minutes[mass-assignment]
3 min
Chris
May 21, 2026
A real bug bounty case study: I found a critical GraphQL IDOR with Sentinelle in minutes by exploiting an unprotected mutation vulnerable to account takeover.
How I Found a Critical IDOR on a Bug Bounty Program With My Own Tool[bug-bounty]
2 min