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hunt-race-condition

Orchestrate concurrent HTTP/2 requests to detect race condition vulnerabilities.

3|1|Updated Jul 2, 2026
Search Tags:#concurrency#pentest#bug-bounty#race-condition#http2#toctou
One-click install
npx skills add https://github.com/EntroVyx/hermes-agent-offsec --skill hunt-race-condition-entrovyx
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: hunt-race-condition
Source: https://github.com/EntroVyx/hermes-agent-offsec/tree/main/skills/offsec/redteam/hunt-race-condition
Command: npx skills add https://github.com/EntroVyx/hermes-agent-offsec --skill hunt-race-condition-entrovyx

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires aiohttp, requests.

What problem does it solve?

This skill addresses the difficulty of identifying and verifying race condition vulnerabilities, which are often overlooked because they require precise timing and concurrency to trigger.

Core Features & Use Cases

  • Parallel Request Execution: Orchestrates simultaneous requests to exploit TOCTOU (Time-of-Check to Time-of-Use) windows.
  • HTTP/2 Single-Packet Attack: Implements advanced single-packet synchronization to minimize network jitter and maximize exploit reliability.
  • Use Case: Use this skill to test financial systems for double-spending, verify MFA-OTP validation logic, or check for rate-limit bypasses in high-concurrency environments.

Quick Start

Use the hunt-race-condition skill to analyze the target endpoint for race conditions using a parallel request strategy.

Frequently Asked Questions about hunt-race-condition

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I test for TOCTOU race condition vulnerabilities in web applications?▼

An HTTP/2 single-packet attack minimizes network jitter by sending concurrent requests in one packet, maximizing exploit reliability for race conditions. This technique synchronizes timing to reliably trigger state machine flaws in modern web apps.

Can I use concurrent requests to bypass MFA-OTP validation logic?▼

You orchestrate simultaneous requests to target endpoints, configuring parallel request execution to exploit TOCTOU windows. This skill utilizes advanced request engines to automate concurrent testing for race conditions.

What is the best way to detect double-spend vulnerabilities in financial systems?▼

This skill targets high-concurrency environments, testing endpoints for rate-limit bypasses and financial double-spend vulnerabilities. It uses HTTP/2 single-packet synchronization and parallel request engines to trigger state machine flaws.

Why do my concurrent requests fail to trigger race conditions due to network jitter?▼

Concurrent requests fail to trigger race conditions when network jitter desynchronizes timing. This skill implements HTTP/2 single-packet synchronization to minimize jitter and maximize the reliability of exploiting TOCTOU windows.

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