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...

h2spacex

H2SpaceX HTTP/2 low level library based on Scapy which can be used for Single Packet Attack Race Condition on H2 This library was part of an academic research with title of QUIC-er Races: HTTP/3 won’t save you from TOCTOU vulnerabilities. Dive into Single Packet Attack Article I wrote an article...

CVE-2024-52317

🚨🚨CVE-2024-52317🚨🚨 CVE-2024-52317 - Apache Tomcat HTTP/2 Data Leakage Vulnerability Overview CVE-2024-52317 is a vulnerability affecting Apache Tomcat's HTTP/2 implementation. The issue arises due to improper recycling of HTTP/2 request and response resources, potentially leading to data leakage...

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

CVE-2026-22019 – libcurl HTTP/2 CONNECT Tunnel Mixup Program Code C simulation // curlhttp2tunnelmixup.c - Simulated libcurl handling CONNECT over HTTP/2 include void handlehttp2streamint streamid // Vulnerability: after CONNECT, the proxy mixes streams with the tunneled data if streamid == 0...

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...

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...

CVE-2024-27316

CVE-2024-27316 I decided to call this vulnerability specifically "CVE-2024-27316" since I have tested it against this vulnerability. The underlying flaw effects other CVEs so I thought I'd mention those with the hope that others could test and modify this PoC : This PoC currently only works again...

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

CVE-2026-11118 – HTTP/2 Rapid Reset DDoS Program Code Python/http2 client + server http2serversim.py - Simple HTTP/2 server that processes reset streams import socket, ssl, h2.connection, h2.events def handle: sock = socket.socket sock.setsockoptsocket.SOLSOCKET, socket.SOREUSEADDR, 1...

tomcat-embed-core-9.0.31-CVE-2020-11996

Please see the PoC in testImplicitCloseLargeId unit test of TestHttp2Section51.java: https://github.com/rusakovichma/tomcat-embed-core-9.0.31-CVE-2020-11996/blob/master/test/org/apache/coyote/http2/TestHttp2Section51.java...

gori

A fast, keyboard-driven HTTP intercepting proxy and pentesting toolkit for the terminal built for humans and AI agents alike. Installation • Usage • Documentation • Contributing gori 고리 — Korean for ring, link, loop sits in the loop between your client and its target, capturing every request and...

CVE-2026-49975

CVE-2026-49975 HTTP/2 Bomb Exploit Tool Author : polar bear Version : 2.1 Applicable Vulnerability : CVE-2026-49975 HTTP/2 Protocol Memory Bomb 📖 Vulnerability Principle CVE-2026-49975 is a memory exhaustion vulnerability in the HTTP/2 protocol implementation. The attack chain consists of two key...

HTTP-2-Rapid-Reset-DDos

HTTP/2 Rapid Reset DoS Attack Description This project demonstrates the HTTP/2 Rapid Reset Denial of Service DoS attack using a custom network topology created with Containernet. The attack exploits vulnerabilities in the HTTP/2 protocol to overwhelm a target server, rendering it unresponsive...

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-2023-44487-dos

CVE-2023-44487 HTTP/2 Rapid Reset There are some examples in this repo which are not tested completely to analyse the impact, but I just wanted to perform the concept of this attack starting many streams and immediately sending RSTSTREAM frame to avoid reaching MAXCONCURRENTSTREAMS. I use H2Space...

http2-bomb-analysis-paper

HTTP/2 Bomb: HPACK Indexed-Reference Amplification Chain Attack A high school student's independent technical deep-dive June 2026 TL;DR This repository contains my complete analysis of the HTTP/2 Bomb vulnerability CVE-2026-49975 / CVE-2026-47774, which chains two decades-old HTTP/2 primitives:...

CVE-2026-49975-HTTP-2-Bomb

A triage not exploitation tool to identify attack surfaces exposed to CVE-2026-49975 — "HTTP/2 Bomb". ⚠️ This script does not send attack payloads. It only makes normal HTTP requests and analyzes response headers to flag hosts that warrant manual version/patch verification. About CVE-2026-49975...

kubesploit

Kubesploit Kubesploit is a cross-platform post-exploitation HTTP/2 Command & Control server and agent dedicated for containerized environments written in Golang and built on top of Merlin project by Russel Van Tuyl @Ne0nd0g. Our Motivation While researching Docker and Kubernetes, we noticed that...

CVE-2026-49975

CVE-2026-49975 HTTP/2 Bomb ★ CVE-2026-49975 HTTP/2 Bomb PoC ★ Overview CVE-2026-49975 is a Denial of Service DoS vulnerability in Apache HTTP Server. The vulnerability occurs in the HTTP/2 request handling path, where multiple cookie header fields can be merged without being properly counted...

CVE-2024-24549

Here’s a README.md for a Proof of Concept PoC demonstrating the Denial of Service DoS vulnerability in Apache Tomcat due to improper input validation of HTTP/2 requests: Proof of Concept PoC for Denial of Service DoS Vulnerability in Apache Tomcat This repository contains a Proof of Concept PoC...

CVE-2026-33186

CVE-2026-33186 gRPC-Go RBAC Authorization Policy Bypass via Missing :path Slash Auth Bypass Description The authz package in google.golang.org/grpc implements SDK-level RBAC authorization using deny and allow rules matched against the :path pseudo-header. The HTTP/2 server transport stores the ra...