CVE-2023-25690

CVE-2023-25690 Description of CVE-2023-25690: Some modproxy configurations on Apache HTTP Server from version 2.4.0 to 2.4.55 allow HTTP Request Smuggling attacks a technique that interferes with the way a website processes HTTP request sequences received from one or more users. These...

CVE-2026-33555

HTTP Request Smuggling via HAProxy H3/QUIC Standalone FIN Body Validation Bypass Full post here : https://r3verii.github.io/cve/2026/04/14/haproxy-h3-standalone-fin-smuggling.html Summary A vulnerability in HAProxy's HTTP/3 implementation allows an attacker to send an HTTP request with a...

CVE-2025-55315-Scanner-Monitor

CVE-2025-55315 Vulnerability Scanner and TLS Proxy This repository contains tools to detect and monitor ASP.NET Core applications vulnerable to CVE-2025-55315, which involves HTTP request smuggling due to conflicting HTTP headers. Tools Included 1. Python Vulnerability Scanner...

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...

http2smugl

http2smugl This tool helps to detect and exploit HTTP request smuggling in cases it can be achieved via HTTP/2 - HTTP/1.1 conversion by the frontend server. The scheme is as follows: 1. An attacker sends a crafted HTTP/2 request to the target server, which we call frontend. 2. The request is...

CVE-2024-40725-CVE-2024-40898

🚨Alert🚨Apache Vulnerability 🚨Alert🚨Security Advisory: CVE-2024-40725 and CVE-2024-40898🚨Alert🚨 CVE-2024-40725 Description: CVE-2024-40725 is a high-severity vulnerability found in Apache HTTP Server versions 2.4.0 to 2.4.61. This vulnerability affects the modproxy module. When the ProxyPass...

CVE-2025-23167

CVE-2025-23167 – Node.js HTTP Request Smuggling Exploit Working exploit for CVE-2025-23167, a request smuggling vulnerability affecting Node.js 20.x versions prior to v20.19.2. This bug allows improper HTTP header termination, enabling attackers to bypass proxy-based access controls. Files...

CVE-2026-115877

A flaw was found in Twisted. The HTTP server component improperly accepts bare carriage return or line feed characters within header values instead of enforcing strict line endings. A remote attacker can exploit this framing disagreement against an upstream proxy to conduct HTTP request smuggling...

Twisted: HTTP Request Smuggling in twisted.web via a Bare CR or LF in a Header Value

Summary An incomplete header-value validation CWE-444 in the Twisted HTTP server lets a bare carriage return or line feed in a header value hide a following header from the parser. twisted.web.http.HTTPChannel.headerReceived rejects a NUL byte in a header value but not a bare CR or LF, even thoug...

GHSA-Q7QQ-6MHP-9RC4 Twisted: HTTP Request Smuggling in twisted.web via a Bare CR or LF in a Header Value

Summary An incomplete header-value validation CWE-444 in the Twisted HTTP server lets a bare carriage return or line feed in a header value hide a following header from the parser. twisted.web.http.HTTPChannel.headerReceived rejects a NUL byte in a header value but not a bare CR or LF, even thoug...

CVE-2026-115877

The Twisted event-based framework (Python 3.6+) is vulnerable to HTTP Request Smuggling prior to version 26.10.0rc1 . The root cause is located in twisted.web.http.HTTPChannel.headerReceived, which rejects NUL bytes but incorrectly accepts bare carriage returns (CR) or line feeds (LF) in header v...

CVE-2026-115877 Twisted: HTTP Request Smuggling in twisted.web via a Bare CR or LF in a Header Value

Twisted is an event-based framework for internet applications, supporting Python 3.6+. Prior to 26.10.0rc1, twisted.web.http.HTTPChannel.headerReceived rejects a NUL byte in an HTTP header value but accepts a bare carriage return or bare line feed. Because Twisted splits header lines only on CRLF...

http-terminator

http-terminator An AI-assisted research pipeline for discovering and exploiting HTTP request-smuggling / response-desynchronisation vulnerabilities. Published as a reference companion to the research; parts are runnable see the matrix below. The pipeline URL / RFC ──▶ seeker ──▶ flamer ──▶...

smugglex

Rust-powered HTTP Request Smuggling Scanner. Overview Smugglex is a security testing tool that detects HTTP Request Smuggling vulnerabilities in web applications. It tests for CL.TE, TE.CL, TE.TE, H2C, and H2 smuggling attacks, offers opt-in parser-discrepancy, CL.0, and 0.CL audits, and — on HTT...

CVE-2024-40725

HTTP Request Smuggling Detection Tool This repository contains a Python-based tool to detect HTTP Request Smuggling vulnerabilities, specifically targeting CVE-2024-40725. The tool attempts to exploit this vulnerability in Apache HTTP Server by sending crafted HTTP requests and analyzing the...

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...

CVE-2021-40346

CVE-2021-40346 Integer overflow on header request internal representation allows HTTP request smuggling. This repository presents a PoC built with docker-compose using two docker images: one with a vulnerable version of HaProxy in this case 2.2.16 and one with a Flask web server using Gunicorn as...

CVE-2023-25690_lab

HTTP Request Smuggling via Apache proxy Environment Setup Infrastructure Component| Role| Version ---|---|--- Apache HTTP Server| Reverse Proxy| 2.4.55 vulnerable Spring Boot embedded Tomcat| Backend API| 4.x Java 21 SQLite| Database| — User ──► Apache :80 Proxy ──► Spring Boot :8080 Backend ──►...

CVE-2026-66752-HTTP-Request-Smuggling-via-Unparsed-Transfer-Encoding-Values-tiny_http-

Security Advisory: HTTP Request Smuggling via Unparsed Transfer-Encoding Values tinyhttp Assigned CVE ID: CVE-2026-66752 Summary tinyhttp checks only whether a Transfer-Encoding header is present. It never looks at the value. Any value, including codings that are not chunked and coding lists whos...