Bug 2548777 (CVE-2026-102870) - CVE-2026-102870 dotnet: dotnet10.0: ASP.NET Core Remote Code Execution Vulnerability
Summary: CVE-2026-102870 dotnet: dotnet10.0: ASP.NET Core Remote Code Execution Vulner...
Keywords:
Status: NEW
Alias: CVE-2026-102870
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: 2552731
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-09 18:56 UTC by OSIDB Bzimport
Modified: 2026-10-22 14:55 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-2026:86192 0 None None None 2026-10-20 21:58:23 UTC
Red Hat Product Errata RHSA-2026:86193 0 None None None 2026-10-20 22:55:33 UTC
Red Hat Product Errata RHSA-2026:86195 0 None None None 2026-10-20 21:40:29 UTC

Description OSIDB Bzimport 2026-10-09 18:56:47 UTC 
Improper control of generation of code ('code injection') in ASP.NET Core allows an unauthorized attacker to execute code over a network.

Affected packages:
- Microsoft.AspNetCore.Components.WebAssembly.Server (release 11.0): 11.0.0-preview.1 - 11.0.0-rc.1; fixed 11.0.0-rc.2.26478.115
- Microsoft.AspNetCore.Components.WebAssembly.Server (release 10.0): 10.0.0 - 10.0.12; fixed 10.0.13
Comment 2 Jon Orris 2026-10-20 21:40:28 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 21:58:22 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 4 Jon Orris 2026-10-20 22:55:33 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
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