kestrel-lang

.. image:: https://github.com/opencybersecurityalliance/kestrel-lang/raw/develop/logo/logowtext.png :width: 460 :alt: Kestrel Threat Hunting Language |readthedocs| |pypi| |downloads| |codecoverage| |black| | Hunt with Native Query/Script left or Kestrel right? An end-to-end cyber threat hunt...

CVE-2025-55315-repro

CVE-2025-55315-repro This repository contains a small ASP.NET Core console app to reproduce and exercise HTTP chunked-transfer and newline parsing behavior. More information on CVE-2025-55315. Contents Repro/Program.cs - Console app that starts a local Kestrel server and runs two TCP-based tests...

CVE-2025-55315-PoC-Exploit

CVE-2025-55315 Pentest Tool HTTP Request Smuggling Exploitation Tool for ASP.NET Core Kestrel ⚠️ LEGAL WARNING THIS TOOL IS FOR AUTHORIZED SECURITY TESTING ONLY! Use ONLY on systems you own or have explicit written authorization to test Unauthorized access to computer systems is ILLEGAL Tool...

Kestrel

Kestrel BloodHound shows you the path. Kestrel shows you what's already inside. Everyone maps the same thing: the attack path - who can reach Domain Admin. It's the right question, and the tools that answer it are excellent. But a graph of "who can reach whom" is blind to an entire class of...

kestrel

The kernel-level visibility of Falco, with the live UI the kernel-native tools don't ship. Quickstart · Spec · Views · Roadmap Kestrel traces kernel events process exec, file access, network connections with an eBPF agent and streams them to a SvelteKit web app that renders a live activity feed,...

CVE-2025-55315-detection-playground

Here are some tests that can be performed against these services to observe different behavior on GET/POST routes between the patched and unpatched versions of Kestrel. GET against unpatched sends 200 and socket remains open printf 'GET / HTTP/1.1\r\nHost: localhost\r\nTransfer-Encoding:...

CVE-2025-55315

CVE-2025-55315 Proof-of-concept exploit for CVE-2025-55315 .NET HTTP Request Smuggling. Demonstrates how improperly parsed chunked encoding lets attackers smuggle requests past proxies and load balancers in vulnerable ASP.NET Core/Kestrel servers. 📊 Presentation View Interactive Prezi Presentatio...

Deadlock

Overview Microsoft.AspNetCore.App.Runtime.win-x64 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to Deadlock via the Kestrel connection handling process. A...

Deadlock

Overview Microsoft.AspNetCore.App.Runtime.win-arm is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to Deadlock via the Kestrel connection handling process. A...

Deadlock

Overview Microsoft.AspNetCore.App.Runtime.win-x86 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to Deadlock via the Kestrel connection handling process. A...

Deadlock

Overview Microsoft.AspNetCore.App.Runtime.linux-musl-x64 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to Deadlock via the Kestrel connection handling...

Deadlock

Overview Microsoft.AspNetCore.App.Runtime.linux-x64 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to Deadlock via the Kestrel connection handling process...

Deadlock

Overview Microsoft.AspNetCore.App.Runtime.osx-x64 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to Deadlock via the Kestrel connection handling process. A...

Deadlock

Overview Microsoft.AspNetCore.App.Runtime.linux-arm is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to Deadlock via the Kestrel connection handling process...

Deadlock

Overview Microsoft.AspNetCore.App.Runtime.linux-arm64 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to Deadlock via the Kestrel connection handling proces...

Deadlock

Overview Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to Deadlock via the Kestrel connection handling...

Deadlock

Overview Microsoft.AspNetCore.App.Runtime.linux-musl-arm is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to Deadlock via the Kestrel connection handling...

Deadlock

Overview Microsoft.AspNetCore.App.Runtime.win-arm64 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to Deadlock via the Kestrel connection handling process...

Deadlock

Overview Affected versions of this package are vulnerable to Deadlock via the Kestrel connection handling process. An attacker can cause the server to become unresponsive and exhaust system resources by sending crafted HTTP/3 reset or abort sequences that trigger excessive blocked-thread creation...

GHSA-RV87-CCXW-8GGF Microsoft Security Advisory CVE-2026-88092 - ASP.NET Core Security Feature Bypass Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.AspNetCore.Server.Kestrel.Core. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. An aborted Kestrel...