CVE-2025-55315-PoC-Exploit

Herramienta de Pentest CVE-2025-55315 Herramienta de explotación de contrabando de solicitudes HTTP para ASP.NET Core Kestrel ⚠️ ADVERTENCIA LEGAL ¡ESTA HERRAMIENTA ES SOLO PARA PRUEBAS DE SEGURIDAD AUTORIZADAS! Úsela SOLO en sistemas que posea o para los que tenga autorización explícita por...

Covenant

Covenant es un framework de comando y control para .NET que tiene como objetivo resaltar la superficie de ataque de .NET, facilitar el uso de técnicas ofensivas de .NET y servir como una plataforma colaborativa de comando y control para equipos rojos. Covenant es una aplicación multiplataforma...

SharpC2

SharpC2 SharpC2 is a Command & Control C2 framework written in C. It consists of an ASP.NET Core Team Server, a .NET Framework implant, and a .NET MAUI client...

Security Update for Microsoft ASP.NET Core (September 2026)

The Microsoft ASP.NET installations on the remote host are missing a security update. It is, therefore, affected by a denial of service vulnerability as referenced in the vendor advisory. Note that Nessus has not tested for these issues but has instead relied only on the application's self-report...

CVE-2025-55315

CVE-2025-55315 Explotación de prueba de concepto para CVE-2025-55315 Contrabando de solicitudes HTTP en .NET. Demuestra cómo la codificación fragmentada chunked encoding mal interpretada permite a atacantes introducir solicitudes de contrabando a través de proxies y balanceadores de carga en...

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 root@kitploit: printf 'GET / HTTP/1.1\r\nHost:...

CVE-2026-21531

Security Feature Bypass in ASP.NET Core by Microsoft CVE-2026-21531 🌟 Description A vulnerability in the Azure SDK facilitates deserialization of untrusted data, enabling unauthorized attackers to execute arbitrary code over a network. ⚙️ Installation To set up the exploitation tool, follow these...

CVE-2025-55315-Scanner-Monitor

CVE-2025-55315 Vulnerability Scanner and TLS Proxy This repository contains tools to detect and monitor ASP.NET Core applications vulnerable to CVE-2025-55315, which involves HTTP request smuggling due to conflicting HTTP headers. Tools Included 1. Python Vulnerability Scanner...

EUVD-2026-73741

Microsoft Security Advisory CVE-2026-69304 – ASP.NET Core Denial of Service Vulnerability...

GHSA-8CP2-47HG-MFGH Microsoft Security Advisory CVE-2026-69304 – ASP.NET Core Denial of Service Vulnerability

Microsoft Security Advisory CVE-2026-69304 – ASP.NET Core Denial of Service Vulnerability Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in ASP.NET Core IIS out-of-process hosting and request decompression. This advisory also provides...

Microsoft Security Advisory CVE-2026-69304 – ASP.NET Core Denial of Service Vulnerability

Microsoft Security Advisory CVE-2026-69304 – ASP.NET Core Denial of Service Vulnerability Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in ASP.NET Core IIS out-of-process hosting and request decompression. This advisory also provides...

Linux Distros Unpatched Vulnerability : CVE-2026-69304

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper handling of highly compressed data data amplification in ASP.NET Core allows an unauthorized attacker to deny service over a network. CVE-2026-69304 No...

vulnerabilities handled in Microsoft Developer Tools

Microsoft has identified 15 vulnerabilities in various Developer Tools. A malicious individual could exploit these vulnerabilities to carry out attacks that can cause damage, as listed in the table below. The most severe vulnerability, with the identifier CVE-2026-81376, has a CVSS score of 9.6. ...

CVE-2026-57099

A flaw was found in ASP.NET Core. This vulnerability allows an unauthorized remote attacker to cause a Denial of Service DoS by allocating resources without limits or throttling. This can lead to the affected system becoming unresponsive or unavailable to legitimate users...

Duplicate Advisory: Microsoft Security Advisory CVE-2026-69304 – ASP.NET Core Denial of Service Vulnerability

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-8cp2-47hg-mfgh. This link is maintained to preserve external references. Original Description Improper handling of highly compressed data data amplification in ASP.NET Core allows an unauthorized attacker to den...

CVE-2026-69304

Improper handling of highly compressed data data amplification in ASP.NET Core allows an unauthorized attacker to deny service over a network...

CVE-2026-57099

Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network...

EUVD-2026-73886

Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network...

CVE-2026-57099

ASP.NET Core is affected by an unbounded resource allocation flaw (no limits or throttling) that allows an unauthenticated, remote attacker to cause a denial of service over the network. The flaw carries a CVSS 3.1 base score of 7.5 (HIGH) with low attack complexity and no required privileges. CI...

CVE-2026-69304

Improper handling of highly compressed data data amplification in ASP.NET Core allows an unauthorized attacker to deny service over a network...