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Exploiting Race Conditions in Web Applications — A Practical Guide

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karthik_red

Level 6 · Expert · Posted 5 Mar 2026

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# Race Conditions in Web Applications ## What is a Race Condition? A race condition occurs when multiple threads or processes access shared resources simultaneously, leading to unexpected behavior. ## Real-World Example Consider an e-commerce application where a user can redeem a coupon code. If the application doesn't properly handle concurrent requests, a user could redeem the same coupon multiple times. ## Tools Used - Burp Suite Turbo Intruder - Python asyncio - curl with GNU parallel
Race ConditionWeb SecurityWriteupBurp Suite
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