HAProxy-CVE-2023-45539-PoC

HAProxy-CVE-2023-45539-PoC HAProxy before 2.8.2 accepts as part of the URI component, which might allow remote attackers to obtain sensitive information or have unspecified other impact upon misinterpretation of a pathend rule, such as routing index.html.png to a static server. What gets misroute...

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...

authelia

!OpenSSF Scorecardhttps://shieldcn.dev/badge/dynamic/json.svg?url=https://img.shields.io/ossf-scorecard/github.com/authelia/authelia.json&query=$.message&label=openssf%20scorecard&logo=data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmc...

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...

multitor

multitor Create multiple TOR instances with load-balancing. Description • Introduction • How To Use • Parameters • Requirements • Docker • Other • License • Wiki Description It provides one single endpoint for clients. Supports HAProxy , socks protocol and http-proxy servers: polipo , privoxy and...

CVE-2026-78122-POC

CVE-2026-78122 — Proof of Concept Tecnativadocker-socket-proxy ≤ 0.5.0 — Insufficient Access-Control Granularity CWE-1220 CVSS 4.0: 8.3 High — CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N Attack Vector is Adjacent AV:A: the attacker needs local/adjacent network reach to the pro...

HAProxy_CVE-2021-40346

HAProxyCVE-2021-40346 HAProxy CVE-2021-40346 Writeup Follow us Vulnmachines YouTube Twitter Facebook LinkedIn...

cnc-relay

cnc-relay During a red team exercise it's common to set up a relaying infrastructure to seperate your external facing footprint from the actual command and control backend. Some of the popular light-weight options are to set up either HAProxy or NGINX on disposable cloud infrastructure and proxy...

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...

HAProxy-Keepalived-Sec-HighLoads

HAProxy and Keepalived LoadBalancer+Cluster+Sec+HighLoads Installation and Configuration HAProxy is an open-source software that provides a proxy server service for TCP and HTTP based applications with high availability load balancing. Keepalived is an open-source software capable of providing IP...

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:...

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...

[SECURITY] [DLA 4842-1] haproxy security update

Debian LTS Advisory DLA-4842-1 [email protected] https://www.debian.org/lts/security/ Santiago Ruano Rincón October 18, 2026 https://wiki.debian.org/LTS Package : haproxy Version : 2.6.12-1+deb12u4 CVE ID : CVE-2026-33555, not yet available Three vulnerabilities were discovered in...

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...

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...

Astra Linux – Vulnerability in HAPProxy

A issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. This issue can lead to a situation where the HTTP Host header is controlled by an attacker, due to a mismatch between the Host field and its corresponding authority value being mishandled...

io.netty/netty-codec-haproxy: Netty: HAProxy PROXY-v2 nested-TLV grandchild ByteBuf reference-count leak (incomplete fix of PR #16881)

A flaw was found in Netty. A reference-count leak in the HAProxy PROXY-v2 message decoder allows a remote, unauthenticated attacker to send specially crafted PROXY-protocol v2 headers. This can lead to memory exhaustion, resulting in a Denial of Service DoS for the affected system...

CLEANSTART-2026-ES91240 In specific scenarios, Reactor Netty HTTP Server may incorrectly evaluate the remote IP address when HAProxy Protocol is enabled

Security vulnerability affects the elasticsearch package. In specific scenarios, Reactor Netty HTTP Server may incorrectly evaluate the remote IP address when HAProxy Protocol is enabled...

CVE-2026-109575

In HAProxy Data Plane API 2.2.0 through 3.4.3 and corresponding Enterprise Edition releases, Server.ConfigureAPI has process-global authentication logic that improperly drops security controls across multiple transport types. When a TLS Certificate Authority tlsca is configured and a numeric TLS...

CVE-2026-109575

In HAProxy Data Plane API 2.2.0 through 3.4.3 and corresponding Enterprise Edition releases, Server.ConfigureAPI has process-global authentication logic that improperly drops security controls across multiple transport types. When a TLS Certificate Authority tlsca is configured and a numeric TLS...