RedGuard

RedGuard - Excellent C2 Front Flow Control tool English | 中文文档 0x00 Introduction What is RedGuard RedGuard, a derivative tool based on command and control C2 front flow control technology, has a lighter design, efficient traffic interaction, and reliable compatibility with development in the go...

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...

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:...

http2-bomb-detector

http2-bomb-detector HTTP/2 Bomb CVE-2026-49975 Non-destructive vulnerability detection tool — for Nginx / Apache httpd Vulnerability Background CVE-2026-49975 is a widespread remote denial-of-service vulnerability in the HTTP/2 protocol layer, discovered by security researcher Quang Luong. This...

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-2026-49975

CVE-2026-49975 HTTP/2 Bomb PoC HTTP/2 Remote Denial of Service Vulnerability Replication Tool Vulnerability Overview CVE-2026-49975 is an HTTP/2 denial of service vulnerability affecting major web servers. The vulnerability was discovered by security company Calif using OpenAI Codex in early June...

fides

Securing AI Agents with Information-Flow Control This repository contains a Jupyter notebook to accompany the academic paper "Securing AI Agents with Information-Flow Control". The notebook is structured as a tutorial to walk readers through the concepts introduced in the paper. This illustrates ...

CLEANSTART-2026-PC79790 HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a r...

CVE-2026-78663 affects multiple packages. The HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream refunding data for any sent-but-unread portion of the stream, and again when a request handler reads the buffered data. See references f...

cve-2026-49975-http2bomb_reproduction

CVE-2026-49975 HTTP/2 Bomb Complete Reproduction Guide Based on QiAnXin CERT Advisory + Calif Original Research ================================================================ I. Vulnerability Overview CVE-2026-49975 is a critical denial-of-service DoS vulnerability in HTTP/2 server and proxy...

POC-CVE-2026-49975

-red CVE-2026-49975 HTTP/2 Bomb — HPACK Compression Bomb + Flow-Control Hold PoC Security Research PoC by naheeju ⚠️ This is a working, memory-exhaustion DoS tool — not a toy. It opens streams that force the target to allocate memory and holds them open via HTTP/2 flow-control tricks. As long as...

Security Bulletin: multiple vulnerabilities addressed in IBM Concert Network Observability

Summary IBM Concert Network Observability has addressed multiple security vulnerabilities through a Network Collectors update. Vulnerability Details CVEID:CVE-2026-78659 DESCRIPTION: When "Trailer" headers are sent by a client, the HTTP server internally uses the header values to populate the...

CLEANSTART-2026-BJ24206 HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a r...

CVE-2026-78663 affects multiple packages. The HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream refunding data for any sent-but-unread portion of the stream, and again when a request handler reads the buffered data. See references f...

CLEANSTART-2026-PU06962 HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a r...

CVE-2026-78663 affects multiple packages. The HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream refunding data for any sent-but-unread portion of the stream, and again when a request handler reads the buffered data. See references f...

CLEANSTART-2026-IC52638 HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a r...

CVE-2026-78663 affects multiple packages. The HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream refunding data for any sent-but-unread portion of the stream, and again when a request handler reads the buffered data. See references f...

net/http: net/http/internal/http2: golang: golang.org/x/net/http2: golang: flow control limit bypass via double refund in HTTP/2 server

A flaw was found in Go's HTTP/2 server implementation. A remote attacker can bypass connection-level flow control limits—mechanisms that regulate incoming network data—potentially causing excessive memory consumption and a Denial of Service DoS. This issue occurs because the server improperly...

CLEANSTART-2026-TS76124 HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a r...

CVE-2026-78663 affects multiple packages. The HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream refunding data for any sent-but-unread portion of the stream, and again when a request handler reads the buffered data. See references f...

Amazon Linux 2023 : oci-add-hooks (ALAS2023-2026-3272)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-3272 advisory. When Trailer headers are sent by a client, the HTTP server internally uses the header values to populate the Request.Trailer map passed to the server handler. Because Request.Trailer is a map,...

Amazon Linux 2023 : amazon-ecr-credential-helper (ALAS2023-2026-3271)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-3271 advisory. When Trailer headers are sent by a client, the HTTP server internally uses the header values to populate the Request.Trailer map passed to the server handler. Because Request.Trailer is a map,...

Amazon Linux 2 : amazon-ecr-credential-helper (ALASECS-2026-146)

The version of amazon-ecr-credential-helper installed on the remote host is prior to 0.12.0-5. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2ECS-2026-146 advisory. The HTTP/2 server could refund connection-level flow control twice for the same data: Once when a...

Amazon Linux 2 : oci-add-hooks (ALASECS-2026-147)

The version of oci-add-hooks installed on the remote host is prior to 0-0.12.20200504git325a340. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2ECS-2026-147 advisory. The HTTP/2 server could refund connection-level flow control twice for the same data: Once when ...