HtmlSmuggling

HtmlSmuggling HTML smuggling is a malicious technique used by hackers to hide malware payloads in an encoded script in a specially crafted HTML attachment or web page. The malicious script decodes and deploys the payload on the targeted device when the victim opens/clicks the HTML attachment/link...

Apache Tomcat - HTTP Request Smuggling

Apache Tomcat from versions 8.5.0 to 8.5.93, 9.0.0-M1 to 9.0.81, 10.1.0-M1 to 10.1.13, and 11.0.0-M1 to 11.0.0-M11 contain an improper input validation caused by incorrect parsing of HTTP trailer headers, letting attackers craft headers to cause request smuggling, exploit requires sending malicio...

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...

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-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-2026-88008-PoC

CVE-2026-88008 — Traefik: unauthorised h2c upgrade tunnels past routers and middleware Affected: Traefik 2.11.26 → 2.11.56 and 3.7.0 → 3.7.12 Fixed: 2.11.57 / 3.7.13 — commit a277e946 "Do not forward h2c upgrade headers to the backend" Advisory: GHSA-w4v4-9rw7-5326 · CVSS 9.1 Class: CWE-444 reque...

CVE-2020-25613

POC POST / HTTP/1.1 Host: 127.0.0.1:1080 Content-Type: text/html Content-Length: 129 Connection: keep-alive Transfer-Encoding: 0xb chunked 1 A 0 POST /flag HTTP/1.1 Host: 127.0.0.1:1080 Content-Length: 180 Connection: keep-alive Content-Type: text/html URI:...

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 ──▶...

Tarmageddon-CVE-2025-62518-

Tarmageddon CVE-2025-62518 Video: https://youtu.be/EYBB4BHsp9E Repo directories vulnerable-extract minimal repoducible example, takes a path as arg, and extracts that file to ./output malicious-payload creates a simple malicious.tar archive with some example of smuggled content, comments explain...

CVE-2021-40346

CVE-2021-40346 CVE-2021-40346 PoC HAProxy HTTP Smuggling For educational purposes only Setup $ docker build -t cve-2021-40346 . $ docker run --name poc -p 8000:80 -d --rm -it cve-2021-40346 4941e9f23508b497e4cbe334a75e7cdb84c83478522ed85f48db3477f97a6fb4 Test Confirm /admin is denied. $ curl...

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...

BobTheSmuggler

BobTheSmuggler Quick Update Jan 15th, 2024 -Support for multi-file compression has been added. If you have multiple files generated for your final payload e.g., DLL-Sideloading files or multi-stage delivery files, you can now use the '-i' option to specify the directory path. If a directory path ...

CVE-2023-51764

CVE-2023-51764 Postfix SMTP Smuggling - Expect Script POC send an email that is legitimate, but inside the email there is many others emails different senders, recipients, subjet, etc. The initial email is check for SPF/DKIM/DMARC, the others inside are not ! usage: ./cve-2023-51764.sh mx.fqdn po...

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...

CVE-2026-67182-HTTP-Request-Smuggling-Enables-Front-End-Access-Control-Bypass-rouille-

Security Advisory: HTTP Request Smuggling Enables Front-End Access Control Bypass rouille Assigned CVE ID: CVE-2026-67182 Summary rouille::proxy::proxy and rouille::proxy::fullproxy copy client-supplied request header values into the upstream connection without checking them for control character...

node-poc-http-smuggling

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ibm-qradar-ajp_smuggling_CVE-2022-26377_poc

CVE-2022-26377 A Proof of Concept developed by @watchTowr to exploit an AJP Smuggling vulnerability to poison the HTTP Response Queue of an IBM QRadar instance with a stored redirect. Follow the watchTowr Labs Team for our Security Research https://labs.watchtowr.com/...

ExifSmugglingPoC

Exif Smuggling A Proof-of-Concept evolution of Cache Smuggling. This attack conceals an executable payload inside a JPG's Exif data. As a result, image caching such as that of a Web Browser can be used to passively download the payload. As a result, the example loader chromepoc.ps1 does not need ...

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...