CLEANSTART-2026-NJ74770 When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the conne...

CVE-2026-94439 affects multiple packages. When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. See references for individual vulnerability details...

PT-2026-115882

When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection. Since a 2xx response to an HTTP/1 CONNECT converts the connection into a tunnel, the server...

audit-axios

audit-axios Scan local repos for vulnerable axios versions and patch interactively. Targets CVE-2026-40175 — CRLF Header Injection leading to Request Smuggling & SSRF. CVSS 9.9, affects all axios 1.15.0. Quick Start npx audit-axios /Workspace /Projects Usage Interactive — checkbox select + bulk...

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...

CVE-2026-40175-poc

CVE-2026-40175 — Axios CRLF Injection / HTTP Request Smuggling PoC Overview A CRLF injection vulnerability caused by AxiosHeaders.set in the Axios HTTP client =1.0.0 =1.0.0 1.15.0, axios 0.31.0 Patched Versions| 1.15.0, 0.31.0 CWE| CWE-93 Improper Neutralization of CRLF Sequences Root Cause...

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-2026-69243-poc-aiohttp-smuggling

CVE-2026-69243 — aiohttp Request Smuggling CWE-444 Request smuggling via rejected WebSocket upgrade in aiohttp Or build the Rust version zero dependencies, std only: git clone https://github.com/JVBotelho/cve-2026-69243-poc-aiohttp-smuggling cd cve-2026-69243-poc-aiohttp-smuggling/poc cargo build...

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-2025-55315

CVE-2025-55315 Proof-of-concept exploit for CVE-2025-55315 .NET HTTP Request Smuggling. Demonstrates how improperly parsed chunked encoding lets attackers smuggle requests past proxies and load balancers in vulnerable ASP.NET Core/Kestrel servers. 📊 Presentation View Interactive Prezi Presentatio...

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: 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...

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-http2: Netty: HTTP/2 header field values are not validated by default (CR/LF/NUL passthrough)

A flaw was found in Netty's HTTP/2 stack. This vulnerability allows a remote attacker to inject prohibited characters, such as NUL, Line Feed, and Carriage Return, into HTTP/2 header field values due to insufficient validation. When these values cross an HTTP/2 to HTTP/1.1 translation boundary,...

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...

Security Bulletin: IBM SPSS Analytic Server is affected by multiple vulnerabilities in Netty

Summary IBM SPSS Analytic Server is affected by multiple vulnerabilities in Netty. This has been addressed in the remediation section. Vulnerability Details CVEID:CVE-2024-29025 DESCRIPTION: Netty is an asynchronous event-driven network application framework for rapid development of maintainable...

CVE-2025-55315-PoC-Exploit

CVE-2025-55315 Pentest Tool HTTP Request Smuggling Exploitation Tool for ASP.NET Core Kestrel ⚠️ LEGAL WARNING THIS TOOL IS FOR AUTHORIZED SECURITY TESTING ONLY! Use ONLY on systems you own or have explicit written authorization to test Unauthorized access to computer systems is ILLEGAL Tool...

CVE-2026-76182

In Eclipse Jetty, TryPathsHandler and TryFilesFilter can be configured to forward requests to template URIs such as index?p=$path, where $path is the request path in context. However, URI paths may contain characters that are reserved in URI queries so that a path of /s&a=1 when applied to the...

Security Bulletin: IBM SPSS Modeler is affected by multiple vulnerabilities in Netty

Summary IBM SPSS Modeler is affected by multiple vulnerabilities in Netty. This has been addressed in the remediation section. Vulnerability Details CVEID:CVE-2026-93492 DESCRIPTION: A flaw was found in Netty's HTTP/2 HpackEncoder. A remote attacker can exploit this by sending HTTP/2 SETTINGS...

CTF-Web-Exploitation

Nether Portal Desync HUUP "I travel not on established roads but leap freely across the void. Package me wrong, and I'll deliver a secret to the wrong doorstep." Description The challenge features an HTTP/3 QUIC application layered over UDP. Because UDP is stateless and the proxy doesn't enforce...