# Microsoft.AspNetCore.SignalR.Protocols.MessagePack (NuGet) vulnerabilities

2 known vulnerabilities (1 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://www.nuget.org/packages/Microsoft.AspNetCore.SignalR.Protocols.MessagePack

## Advisories (2)

### [CVE-2026-45591](https://cve.now/CVE-2026-45591): ASP.NET Core Denial of Service Vulnerability

- Severity: High 7.5
- Published: Jun 9, 2026
- Affected: from 8.0.0, fixed in 8.0.28; from 9.0.0, fixed in 9.0.17; from 10.0.0, fixed in 10.0.9.

### [CVE-2019-0982](https://cve.now/CVE-2019-0982): A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service…

- Severity: Unrated
- Published: May 16, 2019
- Affected: from 1.1.0, fixed in 1.1.5; from 1.0.0, fixed in 1.0.11.

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