Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS / 26.10 : .NET vulnerabilities (USN-8958-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS / 26.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8958-1 advisory. It was discovered that the .NET Blazor WebAssembly debug proxy did not properly escape certain values. An attacker could...

USN-8958-1: .NET vulnerabilities

It was discovered that the .NET Blazor WebAssembly debug proxy did not properly escape certain values. An attacker could possibly use this issue to execute arbitrary code. The fix for this CVE was originally released via USN-8942-1, but it was found to be incomplete. This issue only affected...

USN-8958-1 dotnet8, dotnet10, dotnet11 vulnerabilities

It was discovered that the .NET Blazor WebAssembly debug proxy did not properly escape certain values. An attacker could possibly use this issue to execute arbitrary code. The fix for this CVE was originally released via USN-8942-1, but it was found to be incomplete. This issue only affected...

Titan MFT Server 26.0.0 - Unauthenticated First-Run Administrator Setup Chained — Detect

Fingerprint / reachability check for Titan MFT Server 26.0.0 - Unauthenticated First-Run Administrator Setup Chained to Job Post-Command Injection in the WebAdmin Blazor Application CWE-306, CWE-78 !/usr/bin/env python3 -- coding: utf-8 -- """Detection for Titan MFT Server 26.0.0 - Unauthenticate...

Titan MFT Server 26.0.0 - Unauthenticated First-Run Administrator Setup Chained to Job Post-Command Injection in the Web

Titan MFT Server 26.0.0 - Unauthenticated First-Run Administrator Setup Chained to Job Post-Command Injection in the WebAdmin Blazor Application CWE-306, CWE-78 """Titan MFT Server 26.0.0 - Unauthenticated First-Run Administrator Setup Chained to Job Post-Command Injection in the WebAdmin Blazor...

.NET 10.0 Update - October 25, 2026

.NET 10.0 Update - October 25, 2026 .NET 10.0 has been refreshed with an out-of-band security update as of October 25, 2026. This update is separate from the regular monthly servicing release. See the release notes for details about updated packages. Important: This out-of-band security update...

Race Condition

ASP.NET Core is vulnerable to a race condition. The vulnerability is due to concurrent execution using a shared resource with improper synchronization, where a stale asynchronous authorization result in Blazor AuthorizeRouteView can be applied after navigation. which allows an authorized attacker...

GHSA-G27P-QF6J-C96C Microsoft Security Advisory CVE-2026-102870 - ASP.NET Core Remote Code Execution Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in the Blazor WebAssembly debugger included in Microsoft.AspNetCore.Components.WebAssembly.Server. This advisory also provides guidance on what developers can do to update their applicatio...

Microsoft Security Advisory CVE-2026-102870 - ASP.NET Core Remote Code Execution Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in the Blazor WebAssembly debugger included in Microsoft.AspNetCore.Components.WebAssembly.Server. This advisory also provides guidance on what developers can do to update their applicatio...

Arbitrary Code Injection

Overview Microsoft.AspNetCore.Components.WebAssembly.Server is a runtime server features for ASP.NET Core Blazor applications that have a client running under WebAssembly. Affected versions of this package are vulnerable to Arbitrary Code Injection in the Blazor WebAssembly debug proxy when...

Microsoft Security Advisory CVE-2026-70183 - ASP.NET Core Security Feature Bypass Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.AspNetCore.Components.Authorization. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A stale...

Rocky Linux 8 [CIQ] Security Update: aspnetcore-runtime-7.0 / aspnetcore-targeting-pack-7.0 / etc Multiple Vulnerabilities (crlsa-2023_7256)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20237256 advisory. dotnet: Arbitrary File Write and Deletion Vulnerability: FormatFtpCommand CVE-2023-36049 dotnet: ASP.NET Security Feature Bypass Vulnerability in Blazor...

Blazor Boot File Disclosure Detection

Exposed Blazor Boot a web framework developed by Microsoft config file. !/usr/bin/env python3 -- coding: utf-8 -- """Exposed Blazor Boot a web framework developed by Microsoft config file.""" from kittysploit import from lib.protocols.http.httpclient import Httpclient class ModuleScanner,...

Blazor WebAssembly - Detect

Blazor WebAssembly application was detected. !/usr/bin/env python3 -- coding: utf-8 -- """Blazor WebAssembly application was detected.""" from kittysploit import from lib.protocols.http.httpclient import Httpclient class ModuleScanner, Httpclient: info = 'name': 'Blazor WebAssembly - Detect',...

Malicious Package

Overview Stl.Blazor.Authentication.Net is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this...

dotnet: ASP.NET Core: Denial of Service via uncontrolled resource consumption

A flaw was found in ASP.NET Core SignalR and Blazor Server. A remote attacker could send a specially crafted MessagePack payload containing deeply nested arrays that trigger excessive recursion and cause a stack overflow. This issue may result in application termination and a denial of service...

dotnet: ASP.NET Core: Denial of Service via uncontrolled resource consumption

A flaw was found in ASP.NET Core SignalR and Blazor Server. A remote attacker could send a specially crafted MessagePack payload containing deeply nested arrays that trigger excessive recursion and cause a stack overflow. This issue may result in application termination and a denial of service...

dotnet: ASP.NET Core: Denial of Service via uncontrolled resource consumption

A flaw was found in ASP.NET Core SignalR and Blazor Server. A remote attacker could send a specially crafted MessagePack payload containing deeply nested arrays that trigger excessive recursion and cause a stack overflow. This issue may result in application termination and a denial of service...

dotnet: ASP.NET Core: Denial of Service via uncontrolled resource consumption

A flaw was found in ASP.NET Core SignalR and Blazor Server. A remote attacker could send a specially crafted MessagePack payload containing deeply nested arrays that trigger excessive recursion and cause a stack overflow. This issue may result in application termination and a denial of service...

dotnet: ASP.NET Core: Denial of Service via uncontrolled resource consumption

A flaw was found in ASP.NET Core SignalR and Blazor Server. A remote attacker could send a specially crafted MessagePack payload containing deeply nested arrays that trigger excessive recursion and cause a stack overflow. This issue may result in application termination and a denial of service...