Qlik Sense Enterprise - HTTP Request Smuggling

An HTTP Request Tunneling vulnerability found in Qlik Sense Enterprise for Windows for versions May 2023 Patch 3 and earlier, February 2023 Patch 7 and earlier, November 2022 Patch 10 and earlier, and August 2022 Patch 12 and earlier allows a remote attacker to elevate their privilege by tunnelin...

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...

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...

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...

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 ...

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-2019-20372

CVE-2019-20372 This repository is for educational purposes only. /server vulnerable server run ./server.sh /exploit.py exploit script run python3 exploit.py importante! https://blkcipher.pl/assets/pdfs/2019-12-10-errorpagerequestsmuggling.pdf https://github.com/vuongnv3389-sec/CVE-2019-20372 why...

CVE-2021-40346

CVE-2021-40346: HAProxy HTTP Request Smuggling - ACL Bypass Overview This project demonstrates CVE-2021-40346 , a critical integer overflow vulnerability in HAProxy that enables HTTP Request Smuggling attacks to bypass security controls. CVSSv3 Score: 7.5 High Contributors: 1. Boian Eduard 2...

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...

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...

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...

nodejs:18 security, bug fix, and enhancement update

An update is available for nodejs-packaging, module.nodejs-packaging. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Node.js is a software development platform...

io.netty/netty-codec-http: Netty: Incomplete validation of malformed Transfer-Encoding allows HTTP request smuggling

A flaw was found in Netty's HTTP/1 decoder. Incomplete validation of malformed Transfer-Encoding headers allows a remote attacker to perform HTTP request smuggling. By sending specially crafted HTTP requests, an attacker can inject arbitrary HTTP requests, potentially bypassing security controls ...

io.netty/netty-codec-http: Netty split Transfer-Encoding fields bypass final-chunked validation and enable request smuggling

A flaw was found in Netty's HTTP/1.1 decoder. This vulnerability allows a remote attacker to bypass Transfer-Encoding header validation by splitting the Transfer-Encoding field across multiple headers, with the last field containing a non-final transfer coding like gzip or deflate. This bypass ca...

io.netty/netty-codec-http: Netty: HTTP request smuggling via post-digit whitespace in chunk-size parsing

A flaw was found in Netty's netty-codec-http component. A remote attacker could exploit this vulnerability by sending a specially crafted HTTP/1.1 chunk-size token that includes post-digit whitespace. This incorrect parsing of the chunk size can lead to HTTP request smuggling. This allows an...

io.netty/netty-codec-http: Netty: HTTP Request Smuggling due to control characters in the chunk-size line

A flaw was found in Netty. A remote attacker could exploit this by sending a specially crafted HTTP request that includes control characters within the chunk-size line. This bypasses the intended strict validation, allowing the attacker to inject arbitrary HTTP requests. This vulnerability can le...

CVE-2026-123318

In JetBrains Ktor before 3.6.1 hTTP request smuggling was possible in the CIO engine...

CVE-2026-123318

In JetBrains Ktor before 3.6.1 hTTP request smuggling was possible in the CIO engine...

EUVD-2026-118082

In JetBrains Ktor before 3.6.1 hTTP request smuggling was possible in the CIO engine...

CVE-2026-123318

In JetBrains Ktor versions prior to 3.6.1 , a vulnerability exists in the CIO engine that allows for HTTP request smuggling . This issue is associated with CWE-444 (Inconsistent Interpretation of HTTP Requests). The base severity is MEDIUM (4.8) with a high attack complexity. No specific exploit ...