TTPwire Vol. 1 · MITRE ATT&CK·Tagged

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PortSwigger Blog

The Desync Delusion: Are You Really Protected Against HTTP Request Smuggling?

2025-08-06 · Read original ↗

ATT&CK techniques detected

3 predictions
T1190Exploit Public-Facing Application
94%
"support center http request smuggling remains one of the most dangerous yet frequently overlooked web vulnerabilities today. despite being a widely known issue since 2019, traditional dynamic application security testing ( dast ) tools barely scratch the surface, leaving critical…"
T1190Exploit Public-Facing Application
78%
"the desync delusion : are you really protected against http request smuggling? research academy my account customers about blog careers legal contact resellers attack surface visibility improve security posture, prioritize manual testing, free up time. ci - driven scanning more p…"
T1190Exploit Public-Facing Application
71%
"platforms, claim to offer automated http request smuggling detection. yet our analysis reveals some common shortcomings : - highly brittle, pre - canned detection methods : often rely on basic regexes detecting obvious header obfuscation or spraying well - known exploits to ident…"

Summary

The Hidden Threat That's Slipping Past Your Security HTTP request smuggling remains one of the most dangerous yet frequently overlooked web vulnerabilities today. Despite being a widely known issue si