crlf-desyncs

CRLF Desyncs This is a repository containing useful tools and resources for detecting and exploiting CRLF-based Desyncs, presented at BlackHat USA 2026 and DEFCON 34. Contents cdn-origin/ - contains aggregated origin-to-edge headers useful for fuzzing a CRLF injection on a response...

wp2shell

wp2shell — Pre-Auth RCE in WordPress core Unauthenticated WordPress core RCE PoC chaining CVE-2026-63030 + CVE-2026-60137. Authorized testing only. wp2shell.py is a single-file, standard-library-only proof of concept that chains two WordPress core vulnerabilities into unauthenticated remote code...

http-request-smuggler

HTTP Request Smuggler This Burp Suite extension automatically detects and exploits HTTP Request Smuggling vulnerabilities using advanced desynchronization techniques developed by PortSwigger researcher James Kettle. It supports comprehensive scanning for HTTP/1.1 and HTTP/2-downgrade desync...

http-desync-guardian

Overview HTTP/1.1 went through a long evolution since 1991 to 2014: HTTP/0.9 – 1991 HTTP/1.0 – 1996 HTTP/1.1 RFC 2068 – 1997 RFC 2616 - 1999 RFC 7230 - 2014 This means there is a variety of servers and clients, which might have different views on request boundaries, creating opportunities for...

SilentMoonwalk

SilentMoonwalk PoC Implementation of a fully dynamic call stack spoofer TL;DR SilentMoonwalk is a PoC implementation of a fully dynamic call stack spoofer, implementing a technique to remove the original caller from the call stack, using ROP to desynchronize unwinding from control flow. Authors...

crlf-powered-desync-scanner

CRLF-Powered Desync Scanner This is the Burp Extension we used to detect all cases from our research CRLF-Powered Desync Attacks: Beheading HTTP Streams. It's a research-first scanner built using BulkScan similar to HTTP Request Smuggler and others. Implementation Request Header Injection probe...

http-desync-guardian

Aperçu HTTP/1.1 a connu une longue évolution de 1991 à 2014 : HTTP/0.9 – 1991 HTTP/1.0 – 1996 HTTP/1.1 RFC 2068 – 1997 RFC 2616 - 1999 RFC 7230 - 2014 Cela signifie qu'il existe une variété de serveurs et de clients, qui peuvent avoir des vues différentes sur les limites des requêtes, créant des...

smuggler

/ | | | | \ | | | | |/ |/ | || |/ | | | || | | | || | | /||||/ \ |\ || | @defparam Smuggler An HTTP Request Smuggling / Desync testing tool written in Python 3 Acknowledgements A special thanks to James Kettle for his research and methods into HTTP desyncs And a special thanks to Ben Sadeghipour...

smuggler

/ | | | | \ | | | | |/ |/ | || |/ | | | || | | | || | | /||||/ \ |\ || | @defparam Smuggler Un outil de test de contrebande de requêtes HTTP / désynchronisation écrit en Python 3 Remerciements Un remerciement spécial à James Kettle pour ses recherches et méthodes sur les désynchronisations HTTP...

CVE-2022-29361_Werkzeug_Client-Side-Desync-to-XSS

Credits to @kevin-mizu https://github.com/kevin-mizu/Werkzeug-CVE-2022-29361-PoC/tree/main for details read: https://mizu.re/post/abusing-client-side-desync-on-werkzeug Tested On Chromium 119.0.6045.123 built on Debian trixie/sid, running on Debian kali-rolling...

CTT-Apple-Silicon-Refraction

CTT-Apple-Silicon-Refraction webkitrefraction.js The 33-Layer WebGL Payload ​This JavaScript payload uses the \alpha constant to create a high-frequency "Memory Shiver." It induces the Use-After-Free UAF in CVE-2025-43529 by desynchronizing the WebKit garbage collector from the GPU's Metal comman...

wp2shell-checker

\ \ / / \ / || | | | | | | | \ \ /\ / /| | | \ | || | | | | | | \ V V / | // / | | || || | // || ||/|| ||||| wp2shell-checker | WordPress Batch API Desync Detector Checker detector for the WordPress Core REST Batch API pre-auth RCE Created by 0xjessie21 — Cybersecurity ILCS Overview | ---|---...

CVE-2022-22536_SAP_Request_Smuggling_Scanner

CVE-2022-22536 SAP Rquest Smuggling Scanner This is a fast, socket-level batch scanner for CVE-2022-22536 , a critical request smuggling vulnerability in SAP Internet Communication Manager ICM and SAP Web Dispatcher. It tests multiple hosts in parallel for protocol desynchronization behavior...

AlmaLinux 9.2 [TuxCare] Security Update: varnish / varnish-devel / varnish-docs Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1763374645)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1763374645 advisory. - Varnish Cache before 7.3.2 and 7.4.x before 7.4.3 and before 6.0.13 LTS, and Varnish Enterprise 6 before 6.0.12r6, allows credits...

wordpress-batch-rce-lab

wp2shell: WordPress Batch RCE A technical breakdown of CVE-2026-63030, a logic bug in WordPress core's REST API batch endpoint that lets an anonymous request dispatch under a different request's route and permission check, chaining into CVE-2026-60137 SQL injection for unauthenticated remote code...

echteeteepee

HTTP/1 Desync Vulnerability Testing Tools This repository contains defensive security tools for detecting HTTP/1 request smuggling desync vulnerabilities based on groundbreaking research by James Kettle of PortSwigger. Research Attribution This work is directly inspired by and implements techniqu...

SAPGateBreaker-Exploit

CVE-2022-22536: HTTP Smuggling Through SAP's Front Door SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP Platform, SAP Content Server 7.53 and SAP Web Dispatcher are vulnerable for request smuggling and request concatenation. An unauthenticated attacker can prepe...

PT-2026-96111

AI HTTP Terminator - New Desync Technique - Zero-Day Attack Path - 1. Feed an autonomous security system small fragments of HTTP RFCs as attack inspiration. 2. Generate and mutate thousands of unusual HTTP request patterns. 3. Test the candidates against live infrastructure and use anomaly...

CVE-2026-82672

CVE-2026-82672 is an HTTP Request/Response Smuggling vulnerability in the Elixir mint HTTP/1 client library (versions 0.1.0 through before 1.10.1). The root cause lies in Mint.HTTP1.Parse.chunk_size/1, which stops parsing a chunked response's chunk-size line at the first non-hexadecimal byte and ...

EUVD-2026-82889

ArcadeDB Maven artifact com.arcadedb:arcadedb-engine through 26.8.1 enforces its per-type/per-record access-control rules only in LocalBucket, keyed on file id. Query-execution paths that reach record data through LSM index files or the TimeSeries engine never invoke that permission check, so an...