Race Conditions

Cross-platform resources for Race Conditions: curated HTB machines, PortSwigger labs and TryHackMe rooms with validated writeups and related skills.

Race Conditions

This page aggregates cross-platform resources to practice Race Conditions: retired Hack The Box machines, PortSwigger Web Security Academy labs and TryHackMe rooms, plus curated resources (HackTricks, PortSwigger, etc.) and related skills.

Curated resources

Source	Link
PortSwigger	https://portswigger.net/web-security/race-conditions

HTB machines practicing Race Conditions (3)

Machine	OS	Difficulty
Obscurity	Linux	MEDIUM
Tenet	Linux	MEDIUM
Valentine	Linux	EASY

PortSwigger labs practicing Race Conditions (7)

Lab	Difficulty	Topic	Official
Limit overrun race conditions	APPRENTICE	Race Conditions	Open
Partial construction race conditions	APPRENTICE	Race Conditions	Open
Web shell upload via race condition	APPRENTICE	File Upload Vulnerabilities	Open
Bypassing rate limits via race conditions	PRACTITIONER	Race Conditions	Open
Exploiting time-sensitive vulnerabilities	PRACTITIONER	Race Conditions	Open
Multi-endpoint race conditions	PRACTITIONER	Race Conditions	Open
Single-endpoint race conditions	PRACTITIONER	Race Conditions	Open

TryHackMe rooms practicing Race Conditions (6)

Room	Difficulty	Type	Access	Official
25 Days of Cyber Security	EASY	Walkthrough	🟢 Free	Open
Advent of Cyber 2 [2020]	EASY	Walkthrough	🟢 Free	Open
Advent of Cyber 2024	EASY	Walkthrough	🟢 Free	Open
Race Conditions - Toy to The World	EASY	Walkthrough	🟢 Free	Open
Race Conditions	MEDIUM	Walkthrough	🔵 VIP	Open
Race Conditions Challenge	MEDIUM	Challenge	🟢 Free	Open

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Last updated: 2026-06-07