---
id: "GHSA-49q5-vjx7-5gwr"
page: "https://infrastack.ai/live/GHSA-49q5-vjx7-5gwr"
kind: "vulnerability"
aliases: ["GHSA-49q5-vjx7-5gwr"]
title: "Duplicate Advisory: Microsoft Security Advisory CVE-2026-114154 - ASP.NET Core Denial of Service Vulnerability"
severity: "high"
cvss: 7.5
epss: null
exploited: false
status: "withdrawn"
category: "package"
products: [{"name": "Microsoft.AspNetCore.Server.HttpSys", "fixed": [], "affected": "= 2.3.10", "ecosystem": "nuget"}]
ecosystems: ["nuget"]
tags: ["asp.net-core", "cwe-401", "httpsys", "nuget", "package", "windows"]
not_affected_if: ["kestrel-server", "not-network-exposed"]
published_at: "2026-11-10T21:32:51+00:00"
first_seen_at: "2026-11-10T22:12:11+00:00"
updated_at: "2026-11-10T22:13:53+00:00"
sources: [{"source": "ghsa", "url": "https://github.com/advisories/GHSA-49q5-vjx7-5gwr", "first_seen_at": "2026-11-10T22:12:11+00:00"}]
exploit_sources: []
---

# Duplicate Advisory: Microsoft Security Advisory CVE-2026-114154 - ASP.NET Core Denial of Service Vulnerability

Link for people: https://infrastack.ai/live/GHSA-49q5-vjx7-5gwr (this .md is for agents)

Microsoft.AspNetCore.Server.HttpSys has an uncontrolled resource consumption flaw that lets an unauthorized network attacker exhaust resources and deny service. This advisory is withdrawn as a duplicate of GHSA-3893-7fxc-qvff, so that advisory is the one to track.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- nuget:Microsoft.AspNetCore.Server.HttpSys affected = 2.3.10 fixed no fixed version listed

## How to check

- Check the ASP.NET Core HttpSys package version in the project file or `dotnet list package`
- Confirm whether the app is hosted with HttpSys on Windows
- Check the GHSA-3893-7fxc-qvff advisory for the affected and fixed ranges

## Timeline

- 2026-11-10T22:12:11+00:00 ghsa https://github.com/advisories/GHSA-49q5-vjx7-5gwr

## From the sources

## Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-3893-7fxc-qvff. This link is maintained to preserve external references.

## Original Description
Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network.

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