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...

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-2026-70183 - 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...

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...

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...

Microsoft Security Advisory CVE-2026-45591 – 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 SignalR and Blazor Server. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A denial of service...

GHSA-F8H2-VMM9-QHJ6 Microsoft Security Advisory CVE-2026-45591 – 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 SignalR and Blazor Server. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A denial of service...

MiracleLinux 9 : dotnet6.0-6.0.125-1.el9_3.ML.1 (AXSA:2023-7090:29)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-7090:29 advisory. dotnet: Arbitrary File Write and Deletion Vulnerability: FormatFtpCommand CVE-2023-36049 dotnet: ASP.NET Security Feature Bypass Vulnerability in...

MiracleLinux 9 : dotnet8.0-8.0.100-2.el9_3.ML.1 (AXSA:2024-7409:03)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-7409:03 advisory. dotnet: Arbitrary File Write and Deletion Vulnerability: FormatFtpCommand CVE-2023-36049 dotnet: ASP.NET Security Feature Bypass Vulnerability in...

MiracleLinux 8 : dotnet7.0-7.0.114-1.el8.ML.1 (AXSA:2024-7360:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-7360:01 advisory. dotnet: Arbitrary File Write and Deletion Vulnerability: FormatFtpCommand CVE-2023-36049 dotnet: ASP.NET Security Feature Bypass Vulnerability in...

MiracleLinux 8 : dotnet6.0-6.0.125-1.el8.ML.1 (AXSA:2024-7361:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-7361:01 advisory. dotnet: Arbitrary File Write and Deletion Vulnerability: FormatFtpCommand CVE-2023-36049 dotnet: ASP.NET Security Feature Bypass Vulnerability in...

.NET Bounty Program now offers up to $40,000 in awards

We’re excited to announce significant updates to the Microsoft .NET Bounty Program. These changes expand the program’s scope, simplify the award structure, and offer great incentives for security researchers. The .NET Bounty Program now offers awards up to $40,000 USD for vulnerabilities impactin...

Progress多款产品 跨站脚本漏洞

Progress Telerik UI for ASP.NET Core and others are products of Progress, Inc.Progress Telerik UI for ASP.NET Core is a set of UI component libraries for building cross-platform responsive web applications.Progress Telerik UI for Progress Telerik UI for ASP.NET MVC is a library of UI components f...