CVE-2026-49975-POC

CVE-2026-49975 — HTTP/2 Bomb PoC Proof-of-concept exploit for CVE-2026-49975, a remote denial-of-service vulnerability in HTTP/2 server implementations. Discovered by Quang Luong Calif Security Research, disclosed June 2, 2026. For authorized security testing only. Do not use against infrastructu...

Proof-of-Concept-POC---CVE-2026-49975-HTTP-2-Bomb-

CVE-2026-49975 - HTTP/2 Bomb Proof of Concept Description CVE-2026-49975, also known as HTTP/2 Bomb , is a remote denial-of-service DoS vulnerability that affects most major web servers in their default HTTP/2 configuration. The vulnerability was discovered by OpenAI Codex by combining two...

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...

POC-CVE-2026-49975

-red CVE-2026-49975 HTTP/2 Bomb — PoC de bomba de compresión HPACK + retención de control de flujo PoC de investigación de seguridad por naheeju ⚠️ Esta es una herramienta funcional de DoS por agotamiento de memoria — no es un juguete. Abre flujos que fuerzan al objetivo a asignar memoria y los...

Exploit for Improper Handling of Highly Compressed Data (Data Amplification) in Apache Http_Server

!Go Versionhttps://img.shields.io/badge/Go-1.26%2B-00ADD8?lo...

Linux Distros Unpatched Vulnerability : CVE-2026-19773

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libwebsockets HTTP/2 HPACK Path Header Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute...

UBUNTU-CVE-2026-19773

libwebsockets HTTP/2 HPACK Path Header Parsing Out-Of-Bounds Write Rem...

CVE-2026-19773

libwebsockets HTTP/2 HPACK Path Header Parsing Out-Of-Bounds Write Rem...

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...

CVE-2026-19773

libwebsockets HTTP/2 HPACK Path Header Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of libwebsockets. Authentication is not required to exploit this vulnerability. The specific flaw...

CVE-2026-49975

CVE-2026-49975 Bomba HTTP/2 ★ CVE-2026-49975 PoC de la Bomba HTTP/2 ★ Resumen CVE-2026-49975 es una vulnerabilidad de Denegación de Servicio DoS en Apache HTTP Server. La vulnerabilidad ocurre en la ruta de manejo de solicitudes HTTP/2, donde múltiples campos de cabecera cookie pueden fusionarse...

EUVD-2026-79130

libwebsockets HTTP/2 HPACK Path Header Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of libwebsockets. Authentication is not required to exploit this vulnerability. The specific flaw...

CVE-2026-19773 libwebsockets HTTP/2 HPACK Path Header Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

libwebsockets HTTP/2 HPACK Path Header Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of libwebsockets. Authentication is not required to exploit this vulnerability. The specific flaw...

CVE-2026-19773

CVE-2026-19773 is a remote code execution vulnerability in libwebsockets , caused by improper validation of user-supplied data during parsing of the HTTP/2 HPACK path header , resulting in an out-of-bounds write past the end of an allocated buffer. The flaw allows an unauthenticated remote attack...

CVE-2026-19773 libwebsockets HTTP/2 HPACK Path Header Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

libwebsockets HTTP/2 HPACK Path Header Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of libwebsockets. Authentication is not required to exploit this vulnerability. The specific flaw...

http2-bomb-detector

http2-bomb-detector HTTP/2 Bomb CVE-2026-49975 非破坏性漏洞检测工具 — 针对 Nginx / Apache httpd 漏洞背景 CVE-2026-49975 是一个影响广泛的 HTTP/2 协议层远程拒绝服务漏洞，由安全研究员 Quang Luong 发现。该漏洞利用 HPACK 头部压缩 和 流控制机制 的组合性设计缺陷，攻击者无需身份验证即可在 10-20 秒内耗尽服务器 32GB 内存。 CVSS 3.1 : 9.8（高危） CWE : CWE-789 Memory Allocation with Excessive Size...

CVE-2026-49975

CVE-2026-49975 HTTP/2 Bomb PoC HTTP/2 远程拒绝服务漏洞复现工具 漏洞概述 CVE-2026-49975 是一个影响主流 Web 服务器的 HTTP/2 拒绝服务漏洞。该漏洞由安全公司 Calif（使用 OpenAI Codex）于 2026 年 6 月初发现。 攻击原理 1. HPACK 压缩炸弹 ：将极小的 header（如 "x: a"）插入服务器 HPACK 动态表，然后发送成千上万个 1-byte 的索引引用。每个引用迫使服务器分配大量簿记内存，但客户端只消耗极少带宽。内存放大比例可达 5700:1 （Envoy）和 4000:1 （Apac...

CVE-2026-49975

Herramienta de reproducción de la bomba HTTP/2 CVE-2026-49975 Autor : polar bear Versión : 2.1 Vulnerabilidad aplicable : CVE-2026-49975 bomba de memoria del protocolo HTTP/2 📖 Fundamentos de la vulnerabilidad CVE-2026-49975 es una vulnerabilidad de agotamiento de memoria en la implementación del...

http2-bomb

HTTP/2 Bomb - CVE-2026-49975 Una prueba de concepto de denegación de servicio DoS dirigida a servidores HTTP/2. Al combinar la amplificación HPACK con la retención de flujos, una única máquina con una conexión de red modesta puede dejar un servidor vulnerable no disponible en cuestión de segundos...

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:...