Bug 2548804 (CVE-2026-96230) - CVE-2026-96230 dotnet9.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Remote Code Execution Vulnerability
Summary: CVE-2026-96230 dotnet9.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Remote ...
Keywords:
Status: NEW
Alias: CVE-2026-96230
Deadline: 2026-10-13
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2555779 2555780 2555781
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-09 19:45 UTC by Charles Timko
Modified: 2026-10-21 03:42 UTC (History)
3 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:86168 0 None None None 2026-10-20 21:36:32 UTC
Red Hat Product Errata RHSA-2026:86169 0 None None None 2026-10-20 22:46:25 UTC
Red Hat Product Errata RHSA-2026:86170 0 None None None 2026-10-20 21:55:05 UTC
Red Hat Product Errata RHSA-2026:86171 0 None None None 2026-10-20 22:50:03 UTC
Red Hat Product Errata RHSA-2026:86172 0 None None None 2026-10-20 21:43:21 UTC
Red Hat Product Errata RHSA-2026:86192 0 None None None 2026-10-20 21:58:37 UTC
Red Hat Product Errata RHSA-2026:86193 0 None None None 2026-10-20 22:55:49 UTC
Red Hat Product Errata RHSA-2026:86195 0 None None None 2026-10-20 21:40:43 UTC
Red Hat Product Errata RHSA-2026:86594 0 None None None 2026-10-21 03:42:17 UTC

Description Charles Timko 2026-10-09 19:45:45 UTC 
Improper neutralization of input during web page generation ('cross-site scripting') in ASP.NET Core allows an unauthorized attacker to execute code over a network.

Affected packages:
- Microsoft.AspNetCore.Components.WebAssembly.Server (release 9.0): 9.0.0 - 9.0.20; fixed 9.0.21
- Microsoft.AspNetCore.Components.WebAssembly.Server (release 10.0): 10.0.0 - 10.0.12; fixed 10.0.13
- Microsoft.AspNetCore.Components.WebAssembly.Server (release 8.0): 8.0.0 - 8.0.31; fixed 8.0.32
- Microsoft.AspNetCore.Components.WebAssembly.Server (release 11.0): 11.0.0-preview.1 - 11.0.0-rc.1; fixed 11.0.0-rc.2
Comment 1 Jon Orris 2026-10-20 21:36:31 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:86168 https://access.redhat.com/errata/RHSA-2026:86168
Comment 2 Jon Orris 2026-10-20 21:40:42 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:86195 https://access.redhat.com/errata/RHSA-2026:86195
Comment 3 Jon Orris 2026-10-20 21:43:20 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:86172 https://access.redhat.com/errata/RHSA-2026:86172
Comment 4 Jon Orris 2026-10-20 21:55:04 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:86170 https://access.redhat.com/errata/RHSA-2026:86170
Comment 5 Jon Orris 2026-10-20 21:58:36 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:86192 https://access.redhat.com/errata/RHSA-2026:86192
Comment 6 Jon Orris 2026-10-20 22:46:24 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:86169 https://access.redhat.com/errata/RHSA-2026:86169
Comment 7 Jon Orris 2026-10-20 22:50:02 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:86171 https://access.redhat.com/errata/RHSA-2026:86171
Comment 8 Jon Orris 2026-10-20 22:55:48 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:86193 https://access.redhat.com/errata/RHSA-2026:86193
Comment 9 Jon Orris 2026-10-21 03:42:16 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:86594 https://access.redhat.com/errata/RHSA-2026:86594
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