HTTP Request Smuggling Affecting microsoft.aspnetcore.app.runtime.osx-arm64 package, versions [8.0.0,8.0.32)[9.0.0,9.0.21)[10.0.0,10.0.13)[11.0.0-preview.1,11.0.0-rc.2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-DOTNET-MICROSOFTASPNETCOREAPPRUNTIMEOSXARM64-20936577
- published14 Oct 2026
- disclosed13 Oct 2026
- creditAayush Atharva
Introduced: 13 Oct 2026
NewCVE-2026-70188 (opens in a new tab)How to fix?
Upgrade Microsoft.AspNetCore.App.Runtime.osx-arm64 to version 8.0.32, 9.0.21, 10.0.13, 11.0.0-rc.2 or higher.
Overview
Affected versions of this package are vulnerable to HTTP Request Smuggling in the HTTP/2 request processing when newline characters in request trailers and values from the dynamic HPACK table are accepted instead of being treated as malformed. An attacker can bypass security controls and potentially smuggle HTTP requests by crafting specially formatted HTTP/2 requests.