HTTP Desync Attacks: Request Smuggling Reborn
portswigger.net | research | #bug-bounty | #black-hat | #web-security | #http-desync | #request-smuggling | #portswigger | #paypal
Summary
James Kettle revives HTTP Request Smuggling as HTTP Desync Attacks, splicing requests into victims' connections to poison caches and compromise PayPal's login page, earning over $70k in bounties.
- Published
- Collected
--- id: 5509 title: "HTTP Desync Attacks: Request Smuggling Reborn" source_domain: portswigger.net source_url: "https://portswigger.net/research/http-desync-attacks-request-smuggling-reborn" published_at: "2025-09-03T07:37:00Z" tags: ["bug-bounty", "black-hat", "web-security", "http-desync", "request-smuggling", "portswigger", "paypal"] phying_url: "https://phying.com/item/5509" lang: en --- # HTTP Desync Attacks: Request Smuggling Reborn ## Summary James Kettle revives HTTP Request Smuggling as HTTP Desync Attacks, splicing requests into victims' connections to poison caches and compromise PayPal's login page, earning over $70k in bounties. ## Intelligence Metadata - **Sources:** portswigger.net - **Published:** 2025-09-03T07:37:00Z - **Original:** https://portswigger.net/research/http-desync-attacks-request-smuggling-reborn - **Phying News:** https://phying.com/item/5509