HTTP3ONSTEROIDS

Table of contents Vulnerability Description Source Code Review Lab Setup Identifying the issue References Vulnerability Description HAProxy's HTTP/3 implementation fails to block a malformed HTTP header field name , and when deployed in front of a server that incorrectly process this malformed...

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...

Http11Probe

Http11Probe Http11Probe is a compliance and security tester for HTTP/1.1 servers. It throws malformed, ambiguous, and oversized requests at a server over raw TCP sockets and checks how it responds against what RFC 9110 and RFC 9112 actually require. These are the awkward cases like bare LF line...

CVE-2021-40346-POC

CVE-2021-40346-POC CVE-2021-40346 integer overflow enables http smuggling Integer overflow leading to HTTP request smuggling Chinese analysis: HAProxy Request Smuggling Vulnerability CVE-2021-40346 Analysis Reference:...

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-2021-40346

CVE-2021-40346 — HAProxy Integer Overflow leading to HTTP Request Smuggling Vulnerability Summary HAProxy is an open-source reverse proxy and load balancer that handles load distribution and ACL access control rules processing. CVE-2021-40346 is an ACL bypass vulnerability that occurs when HAProx...

CVE-2022-22536

CVE-2022-22536 SAP memory pipes desynchronization vulnerabilityMPI CVE-2022-22536. Description - POC for CVE-2022-22536: SAP memory pipesMPI desynchronization vulnerability. - create by antx at 2022-02-15. Detail SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP...

CLZero

CLZero A project for fuzzing HTTP/1.1 CL.0 Request Smuggling Attack Vectors. About Thank you to @albinowax, @defparam and @d3d else this tool would not exist. Inspired by the tool Smuggler all attack gadgets adapted from Smuggler and...

h2csmuggler

h2cSmuggler Description h2cSmuggler smuggles HTTP traffic past insecure edge-server proxypass configurations by establishing HTTP/2 cleartext h2c communications with h2c-compatible back-end servers, allowing a bypass of proxy rules and access controls. See my detailed write-up below for: Technica...

jetty-line-check

jetty-line-check Which of these six 2026 CVEs has your Jetty or the Jetty pulled in by Spring Boot been hit by — and does the version the official guidance tells you to upgrade to actually exist on Maven Central? The headline is CVE-2026-2332 GHSA-355h-qmc2-wpwf, high / CVSS v3 7.4: chunked reque...

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 ──►...

t-reqs

T-Reqs HTTP Fuzzer T-Reqs T wo Req uests is a grammar-based HTTP Fuzzer written as a part of the paper titled "T-Reqs: HTTP Request Smuggling with Differential Fuzzing" which was presented at ACM CCS 2021. BibTeX of the paper: @inproceedingsccs2021treqs, title=T-Reqs: HTTP Request Smuggling with...

CVE-2019-20372

REFER https://bertjwregeer.keybase.pub/2019-12-10%20-%20errorpage%20request%20smuggling.pdf Chạy Server docker run -it --rm -p 80:80 -v pwd/default.conf:/etc/nginx/conf.d/default.conf nginx:1.17.6 Khai thác printf "GET /a HTTP/1.1\r\nHost: localhost\r\nContent-Length: 56\r\n\r\nGET...

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...

http-request-smuggling

HTTP Request Smuggling Detection Tool HTTP request smuggling is a high severity vulnerability which is a technique where an attacker smuggles an ambiguous HTTP request to bypass security controls and gain unauthorized access to performs malicious activities, the vulnerability was discovered back ...

F5-BIG-IP-SmuggleShell-CVE-2023-46747-Exploit

F5 BIG-IP CVE-2023-46747 – Unauthenticated RCE + Reverse Shell Python3 & Nuclei versions – by raguraman Critical unauth RCE CVSS 9.8 via AJP + HTTP request smuggling Works on all unpatched BIG-IP 13.x → 17.x including latest 17.1.0.3 Patch: https://my.f5.com/manage/s/article/K000137353 Nov 2023...

CVE-2026-57488

pupnp is an SDK for development of UPnP device and control point applications. Prior to 2.0.2, rawtoint in upnp/src/genlib/net/http/httpparser.c parses Content-Length with strtol and casts the resulting long to a 32-bit int before the caller stores it as unsigned int. On LP64 systems, values...

CVE-2026-57488

The pupnp SDK (versions prior to 2.0.2 ) contains an integer truncation vulnerability in the raw_to_int function located at upnp/src/genlib/net/http/httpparser.c. The root cause is that Content-Length is parsed using strtol and then cast to a 32-bit int before being stored as an unsigned int. On ...

CVE-2026-57488 pupnp: Integer truncation in HTTP Content-Length parsing enables request smuggling

pupnp is an SDK for development of UPnP device and control point applications. Prior to 2.0.2, rawtoint in upnp/src/genlib/net/http/httpparser.c parses Content-Length with strtol and casts the resulting long to a 32-bit int before the caller stores it as unsigned int. On LP64 systems, values...

EUVD-2026-102930

pupnp is an SDK for development of UPnP device and control point applications. Prior to 2.0.2, rawtoint in upnp/src/genlib/net/http/httpparser.c parses Content-Length with strtol and casts the resulting long to a 32-bit int before the caller stores it as unsigned int. On LP64 systems, values...