RHSA-2026:93459: Important: .NET 9.0 security update

Published Nov 2, 2026
·
Updated

.NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.SDK version: 9.0.123Runtime version: 9.0.22Security Fix(es): dotnet8.0: dotnet9.0: dotnet11.0: dotnet10.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-114148) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected Software

89 affected componentsFixes available
redhat/dotnet9.0<9.0.123-1.el9_6
9.0.123-1.el9_6
redhat/aspnetcore-runtime<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/aspnetcore-runtime-dbg<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/aspnetcore-targeting-pack<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/dotnet-apphost-pack<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/dotnet-apphost-pack<9.0-debuginfo-9.0.22-1.el9_6
9.0-debuginfo-9.0.22-1.el9_6
redhat/dotnet-host<9.0.22-1.el9_6
9.0.22-1.el9_6
redhat/dotnet-host-debuginfo<9.0.22-1.el9_6
9.0.22-1.el9_6
redhat/dotnet-hostfxr<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/dotnet-hostfxr<9.0-debuginfo-9.0.22-1.el9_6
9.0-debuginfo-9.0.22-1.el9_6
redhat/dotnet-runtime<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/dotnet-runtime<9.0-debuginfo-9.0.22-1.el9_6
9.0-debuginfo-9.0.22-1.el9_6
redhat/dotnet-runtime-dbg<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/dotnet-sdk<9.0-9.0.123-1.el9_6
9.0-9.0.123-1.el9_6
redhat/dotnet-sdk<9.0-debuginfo-9.0.123-1.el9_6
9.0-debuginfo-9.0.123-1.el9_6
redhat/dotnet-sdk-aot<9.0-9.0.123-1.el9_6
9.0-9.0.123-1.el9_6
redhat/dotnet-sdk-aot<9.0-debuginfo-9.0.123-1.el9_6
9.0-debuginfo-9.0.123-1.el9_6
redhat/dotnet-sdk-dbg<9.0-9.0.123-1.el9_6
9.0-9.0.123-1.el9_6
redhat/dotnet-targeting-pack<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/dotnet-templates<9.0-9.0.123-1.el9_6
9.0-9.0.123-1.el9_6
redhat/dotnet9.0-debuginfo<9.0.123-1.el9_6
9.0.123-1.el9_6
redhat/dotnet9.0-debugsource<9.0.123-1.el9_6
9.0.123-1.el9_6
redhat/netstandard-targeting-pack<2.1-9.0.123-1.el9_6
2.1-9.0.123-1.el9_6
redhat/aspnetcore-runtime<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/aspnetcore-runtime-dbg<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/aspnetcore-targeting-pack<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/dotnet-apphost-pack<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/dotnet-apphost-pack<9.0-debuginfo-9.0.22-1.el9_6
9.0-debuginfo-9.0.22-1.el9_6
redhat/dotnet-host<9.0.22-1.el9_6
9.0.22-1.el9_6
redhat/dotnet-host-debuginfo<9.0.22-1.el9_6
9.0.22-1.el9_6
redhat/dotnet-hostfxr<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/dotnet-hostfxr<9.0-debuginfo-9.0.22-1.el9_6
9.0-debuginfo-9.0.22-1.el9_6
redhat/dotnet-runtime<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/dotnet-runtime<9.0-debuginfo-9.0.22-1.el9_6
9.0-debuginfo-9.0.22-1.el9_6
redhat/dotnet-runtime-dbg<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/dotnet-sdk<9.0-9.0.123-1.el9_6
9.0-9.0.123-1.el9_6
redhat/dotnet-sdk<9.0-debuginfo-9.0.123-1.el9_6
9.0-debuginfo-9.0.123-1.el9_6
redhat/dotnet-sdk-dbg<9.0-9.0.123-1.el9_6
9.0-9.0.123-1.el9_6
redhat/dotnet-targeting-pack<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/dotnet-templates<9.0-9.0.123-1.el9_6
9.0-9.0.123-1.el9_6
redhat/dotnet9.0-debuginfo<9.0.123-1.el9_6
9.0.123-1.el9_6
redhat/dotnet9.0-debugsource<9.0.123-1.el9_6
9.0.123-1.el9_6
redhat/netstandard-targeting-pack<2.1-9.0.123-1.el9_6
2.1-9.0.123-1.el9_6
redhat/aspnetcore-runtime<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/aspnetcore-runtime-dbg<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/aspnetcore-targeting-pack<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/dotnet-apphost-pack<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/dotnet-apphost-pack<9.0-debuginfo-9.0.22-1.el9_6
9.0-debuginfo-9.0.22-1.el9_6
redhat/dotnet-host<9.0.22-1.el9_6
9.0.22-1.el9_6
redhat/dotnet-host-debuginfo<9.0.22-1.el9_6
9.0.22-1.el9_6
redhat/dotnet-hostfxr<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/dotnet-hostfxr<9.0-debuginfo-9.0.22-1.el9_6
9.0-debuginfo-9.0.22-1.el9_6
redhat/dotnet-runtime<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/dotnet-runtime<9.0-debuginfo-9.0.22-1.el9_6
9.0-debuginfo-9.0.22-1.el9_6
redhat/dotnet-runtime-dbg<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/dotnet-sdk<9.0-9.0.123-1.el9_6
9.0-9.0.123-1.el9_6
redhat/dotnet-sdk<9.0-debuginfo-9.0.123-1.el9_6
9.0-debuginfo-9.0.123-1.el9_6
redhat/dotnet-sdk-dbg<9.0-9.0.123-1.el9_6
9.0-9.0.123-1.el9_6
redhat/dotnet-targeting-pack<9.0-9.0.22-1.el9_6
9.0-9.0.22-1.el9_6
redhat/dotnet-templates<9.0-9.0.123-1.el9_6
9.0-9.0.123-1.el9_6
redhat/dotnet9.0-debuginfo<9.0.123-1.el9_6
9.0.123-1.el9_6
redhat/dotnet9.0-debugsource<9.0.123-1.el9_6
9.0.123-1.el9_6
redhat/netstandard-targeting-pack<2.1-9.0.123-1.el9_6
2.1-9.0.123-1.el9_6
redhat/aspnetcore-runtime<9.0-9.0.22-1.el9_6.aa
9.0-9.0.22-1.el9_6.aa
redhat/aspnetcore-runtime-dbg<9.0-9.0.22-1.el9_6.aa
9.0-9.0.22-1.el9_6.aa
redhat/aspnetcore-targeting-pack<9.0-9.0.22-1.el9_6.aa
9.0-9.0.22-1.el9_6.aa
redhat/dotnet-apphost-pack<9.0-9.0.22-1.el9_6.aa
9.0-9.0.22-1.el9_6.aa
redhat/dotnet-apphost-pack<9.0-debuginfo-9.0.22-1.el9_6.aa
9.0-debuginfo-9.0.22-1.el9_6.aa
redhat/dotnet-host<9.0.22-1.el9_6.aa
9.0.22-1.el9_6.aa
redhat/dotnet-host-debuginfo<9.0.22-1.el9_6.aa
9.0.22-1.el9_6.aa
redhat/dotnet-hostfxr<9.0-9.0.22-1.el9_6.aa
9.0-9.0.22-1.el9_6.aa
redhat/dotnet-hostfxr<9.0-debuginfo-9.0.22-1.el9_6.aa
9.0-debuginfo-9.0.22-1.el9_6.aa
redhat/dotnet-runtime<9.0-9.0.22-1.el9_6.aa
9.0-9.0.22-1.el9_6.aa
redhat/dotnet-runtime<9.0-debuginfo-9.0.22-1.el9_6.aa
9.0-debuginfo-9.0.22-1.el9_6.aa
redhat/dotnet-runtime-dbg<9.0-9.0.22-1.el9_6.aa
9.0-9.0.22-1.el9_6.aa
redhat/dotnet-sdk<9.0-9.0.123-1.el9_6.aa
9.0-9.0.123-1.el9_6.aa
redhat/dotnet-sdk<9.0-debuginfo-9.0.123-1.el9_6.aa
9.0-debuginfo-9.0.123-1.el9_6.aa
redhat/dotnet-sdk-aot<9.0-9.0.123-1.el9_6.aa
9.0-9.0.123-1.el9_6.aa
redhat/dotnet-sdk-aot<9.0-debuginfo-9.0.123-1.el9_6.aa
9.0-debuginfo-9.0.123-1.el9_6.aa
redhat/dotnet-sdk-dbg<9.0-9.0.123-1.el9_6.aa
9.0-9.0.123-1.el9_6.aa
redhat/dotnet-targeting-pack<9.0-9.0.22-1.el9_6.aa
9.0-9.0.22-1.el9_6.aa
redhat/dotnet-templates<9.0-9.0.123-1.el9_6.aa
9.0-9.0.123-1.el9_6.aa
redhat/dotnet9.0-debuginfo<9.0.123-1.el9_6.aa
9.0.123-1.el9_6.aa
redhat/dotnet9.0-debugsource<9.0.123-1.el9_6.aa
9.0.123-1.el9_6.aa
redhat/netstandard-targeting-pack<2.1-9.0.123-1.el9_6.aa
2.1-9.0.123-1.el9_6.aa
redhat/dotnet-sdk<9.0-source-built-artifacts-9.0.123-1.el9_6
9.0-source-built-artifacts-9.0.123-1.el9_6
redhat/dotnet-sdk<9.0-source-built-artifacts-9.0.123-1.el9_6
9.0-source-built-artifacts-9.0.123-1.el9_6
redhat/dotnet-sdk<9.0-source-built-artifacts-9.0.123-1.el9_6
9.0-source-built-artifacts-9.0.123-1.el9_6
redhat/dotnet-sdk<9.0-source-built-artifacts-9.0.123-1.el9_6.aa
9.0-source-built-artifacts-9.0.123-1.el9_6.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/dotnet9.0 to a version that resolves this vulnerability.

    Fixed in 9.0.123-1.el9_6
  2. Upgrade

    Upgrade redhat/aspnetcore-runtime to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.22-1.el9_6
  3. Upgrade

    Upgrade redhat/aspnetcore-runtime-dbg to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.22-1.el9_6
  4. Upgrade

    Upgrade redhat/aspnetcore-targeting-pack to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.22-1.el9_6
  5. Upgrade

    Upgrade redhat/dotnet-apphost-pack to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.22-1.el9_6
  6. Upgrade

    Upgrade redhat/dotnet-apphost-pack to a version that resolves this vulnerability.

    Fixed in 9.0-debuginfo-9.0.22-1.el9_6
  7. Upgrade

    Upgrade redhat/dotnet-host to a version that resolves this vulnerability.

    Fixed in 9.0.22-1.el9_6
  8. Upgrade

    Upgrade redhat/dotnet-host-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.0.22-1.el9_6
  9. Upgrade

    Upgrade redhat/dotnet-hostfxr to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.22-1.el9_6
  10. Upgrade

    Upgrade redhat/dotnet-hostfxr to a version that resolves this vulnerability.

    Fixed in 9.0-debuginfo-9.0.22-1.el9_6
  11. Upgrade

    Upgrade redhat/dotnet-runtime to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.22-1.el9_6
  12. Upgrade

    Upgrade redhat/dotnet-runtime to a version that resolves this vulnerability.

    Fixed in 9.0-debuginfo-9.0.22-1.el9_6
  13. Upgrade

    Upgrade redhat/dotnet-runtime-dbg to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.22-1.el9_6
  14. Upgrade

    Upgrade redhat/dotnet-sdk to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.123-1.el9_6
  15. Upgrade

    Upgrade redhat/dotnet-sdk to a version that resolves this vulnerability.

    Fixed in 9.0-debuginfo-9.0.123-1.el9_6
  16. Upgrade

    Upgrade redhat/dotnet-sdk-aot to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.123-1.el9_6
  17. Upgrade

    Upgrade redhat/dotnet-sdk-aot to a version that resolves this vulnerability.

    Fixed in 9.0-debuginfo-9.0.123-1.el9_6
  18. Upgrade

    Upgrade redhat/dotnet-sdk-dbg to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.123-1.el9_6
  19. Upgrade

    Upgrade redhat/dotnet-targeting-pack to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.22-1.el9_6
  20. Upgrade

    Upgrade redhat/dotnet-templates to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.123-1.el9_6
  21. Upgrade

    Upgrade redhat/dotnet9.0-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.0.123-1.el9_6
  22. Upgrade

    Upgrade redhat/dotnet9.0-debugsource to a version that resolves this vulnerability.

    Fixed in 9.0.123-1.el9_6
  23. Upgrade

    Upgrade redhat/netstandard-targeting-pack to a version that resolves this vulnerability.

    Fixed in 2.1-9.0.123-1.el9_6
  24. Upgrade

    Upgrade redhat/aspnetcore-runtime to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.22-1.el9_6.aa
  25. Upgrade

    Upgrade redhat/aspnetcore-runtime-dbg to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.22-1.el9_6.aa
  26. Upgrade

    Upgrade redhat/aspnetcore-targeting-pack to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.22-1.el9_6.aa
  27. Upgrade

    Upgrade redhat/dotnet-apphost-pack to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.22-1.el9_6.aa
  28. Upgrade

    Upgrade redhat/dotnet-apphost-pack to a version that resolves this vulnerability.

    Fixed in 9.0-debuginfo-9.0.22-1.el9_6.aa
  29. Upgrade

    Upgrade redhat/dotnet-host to a version that resolves this vulnerability.

    Fixed in 9.0.22-1.el9_6.aa
  30. Upgrade

    Upgrade redhat/dotnet-host-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.0.22-1.el9_6.aa
  31. Upgrade

    Upgrade redhat/dotnet-hostfxr to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.22-1.el9_6.aa
  32. Upgrade

    Upgrade redhat/dotnet-hostfxr to a version that resolves this vulnerability.

    Fixed in 9.0-debuginfo-9.0.22-1.el9_6.aa
  33. Upgrade

    Upgrade redhat/dotnet-runtime to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.22-1.el9_6.aa
  34. Upgrade

    Upgrade redhat/dotnet-runtime to a version that resolves this vulnerability.

    Fixed in 9.0-debuginfo-9.0.22-1.el9_6.aa
  35. Upgrade

    Upgrade redhat/dotnet-runtime-dbg to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.22-1.el9_6.aa
  36. Upgrade

    Upgrade redhat/dotnet-sdk to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.123-1.el9_6.aa
  37. Upgrade

    Upgrade redhat/dotnet-sdk to a version that resolves this vulnerability.

    Fixed in 9.0-debuginfo-9.0.123-1.el9_6.aa
  38. Upgrade

    Upgrade redhat/dotnet-sdk-aot to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.123-1.el9_6.aa
  39. Upgrade

    Upgrade redhat/dotnet-sdk-aot to a version that resolves this vulnerability.

    Fixed in 9.0-debuginfo-9.0.123-1.el9_6.aa
  40. Upgrade

    Upgrade redhat/dotnet-sdk-dbg to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.123-1.el9_6.aa
  41. Upgrade

    Upgrade redhat/dotnet-targeting-pack to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.22-1.el9_6.aa
  42. Upgrade

    Upgrade redhat/dotnet-templates to a version that resolves this vulnerability.

    Fixed in 9.0-9.0.123-1.el9_6.aa
  43. Upgrade

    Upgrade redhat/dotnet9.0-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.0.123-1.el9_6.aa
  44. Upgrade

    Upgrade redhat/dotnet9.0-debugsource to a version that resolves this vulnerability.

    Fixed in 9.0.123-1.el9_6.aa
  45. Upgrade

    Upgrade redhat/netstandard-targeting-pack to a version that resolves this vulnerability.

    Fixed in 2.1-9.0.123-1.el9_6.aa
  46. Upgrade

    Upgrade redhat/dotnet-sdk to a version that resolves this vulnerability.

    Fixed in 9.0-source-built-artifacts-9.0.123-1.el9_6
  47. Upgrade

    Upgrade redhat/dotnet-sdk to a version that resolves this vulnerability.

    Fixed in 9.0-source-built-artifacts-9.0.123-1.el9_6.aa

Event History

Nov 2, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software

Frequently Asked Questions

1

Which .NET components are identified as having the security fix?

The advisory lists the fix for dotnet8.0, dotnet9.0, dotnet10.0, and dotnet11.0. It identifies the issue as an ASP.NET Core elevation-of-privilege vulnerability.

2

Which versions are provided by this advisory?

The advisory provides SDK version 9.0.123 and runtime version 9.0.22.

Company

Resources

Contact

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