CVE-2026-93492

A flaw was found in Netty's HTTP/2 HpackEncoder. A remote attacker can exploit this by sending HTTP/2 SETTINGS frames with a very large MAXHEADERTABLESIZE. This causes the HpackEncoder to store an excessive number of unique headers, leading to increased CPU usage and memory consumption, ultimatel...

tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated

Apache Tomcat did not validate HTTP/2 request headers, triggering unexpected application behavior, as applications may presume that header values exposed through the Servlet API would be valid...

CVE-2026-11118-HTTP-2-Rapid-Reset-DDoS

CVE-2026-11118 – DDoS por reinicio rápido de HTTP/2 Código del programa cliente + servidor Python/http2 root@kitploit: http2serversim.py - Simple HTTP/2 server that processes reset streams import socket, ssl, h2.connection, h2.events def handle: sock = socket.socket sock.setsockoptsocket.SOLSOCKE...

h2buster

h2buster v0.4d A fast, threaded, recursive, web directory brute-force scanner over HTTP/2 using hyper, inspired by Gobuster. Features Fast and portable - install hyper and run. Multiconnection scanning. Multithreaded connections. Scalable: scans can be as docile or aggressive as you configure the...

h2buster

h2buster v0.4d 一个快速、多线程、递归的 HTTP/2 网络目录暴力扫描器，基于 hyper，灵感来源于 Gobuster。 功能 快速且可移植 - 安装 hyper 即可运行。 多连接扫描。 多线程连接。 可伸缩：可根据配置使扫描温和或激进。 支持 h2 和 h2c。 可配置的目录递归深度。 robots.txt 扫描。 跨平台：可在 nix 和 Windows 上运行。 安装 需要 Python 3.6。 你只需安装一个依赖项。如果你没有 hyper，请运行： pip3 install -r requirements.txt 用法 root@kitploit: usag...

CVE-2026-32136_exploit

CVE-2026-32136exploit - Bypass de autenticación mediante actualización h2c en AdGuard Home Bypass de autenticación sin autenticación previa en AdGuard Home 0.107.73 mediante la actualización de texto claro HTTP/2 h2c. | ---|--- CVE| CVE-2026-32136 CVSS| 9.8 Crítico —...

CVE-2025-8671-vulnerability-POC-

CVE-2025-8671-vulnerability-POC- CVE-2025-8671 vulnerability POC CVE-2025-8671 Vulnerability Scanner A professional security research tool for detecting the MadeYouReset vulnerability CVE-2025-8671 in HTTP/2 servers. This scanner uses multiple detection heuristics to identify servers vulnerable t...

CVE-2025-9784

CVE-2025-9784 MadeYouReset HTTP/2 Vulnerability Test Overview This repository contains a simple and effective bash script to test for the CVE-2025-9784 vulnerability known as the "MadeYouReset" HTTP/2 Denial of Service DoS attack in Undertow HTTP/2 server implementations. The vulnerability allows...

tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated

Apache Tomcat did not validate HTTP/2 request headers, triggering unexpected application behavior, as applications may presume that header values exposed through the Servlet API would be valid...

CVE-2025-53020-PoC

CVE-2025-53020 - Apache httpd HTTP/2 Memory Exhaustion PoC A proof of concept demonstrating CVE-2025-53020, a memory exhaustion vulnerability in Apache httpd's HTTP/2 implementation I found in mid-2025. 📖 Deep dive : galbarnahum.com/posts/apache-httpd-cve-2025-53020 Vulnerability Overview Apache...

tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated

Apache Tomcat did not validate HTTP/2 request headers, triggering unexpected application behavior, as applications may presume that header values exposed through the Servlet API would be valid...

tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated

Apache Tomcat did not validate HTTP/2 request headers, triggering unexpected application behavior, as applications may presume that header values exposed through the Servlet API would be valid...

CVE-2023-44487-HTTP-2-Rapid-Reset-Attack

PoC - CVE-2023-44487: HTTP/2 Rapid Reset Attack This repository contains a Proof of Concept PoC to demonstrate the exploitation of the vulnerability CVE-2023-44487 , also known as HTTP/2 Rapid Reset Attack. This vulnerability affects the HTTP/2 protocol and allows an attacker to overload web...

tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated

Apache Tomcat did not validate HTTP/2 request headers, triggering unexpected application behavior, as applications may presume that header values exposed through the Servlet API would be valid...

Important: Red Hat Security Advisory: tomcat security update

An update for tomcat is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated

Apache Tomcat did not validate HTTP/2 request headers, triggering unexpected application behavior, as applications may presume that header values exposed through the Servlet API would be valid...

CVE-2026-42945

CVE-2026-42945 PoC Go 中文 | English A detection and exploitation helper for nginx HTTP/2 CVE-2026-42945. Use it only in authorized environments to verify vulnerability presence, compare patched vs. vulnerable behavior, and reproduce PoC logic in a controlled lab. Affected versions heuristic: nginx...

HTTP-2-RapidReset-CVE-2023-44487-Testlab

This repo is the source code of my docker lab, made for my thesis research...

CVE-2026-22019-libcurl-HTTP-2-CONNECT-Tunnel-Mixup

CVE-2026-22019 – libcurl HTTP/2 CONNECT: mezcla de túneles Código del programa simulación en C root@kitploit: // curlhttp2tunnelmixup.c - Simulated libcurl handling CONNECT over HTTP/2 include void handlehttp2streamint streamid // Vulnerability: after CONNECT, the proxy mixes streams with the...

CVE-2019-9511_Priority-Churn-Data-Dribble

HTTP/2 CVE-2019-9511 & CVE-2019-9513 Lightweight Probes Repository with controlled validation scripts for behaviors associated with CVEs CVE-2019-9511 and CVE-2019-9513 , both related to denial of service vectors in HTTP/2 implementations. The scripts were created to support technical validations...