Bug 2500502 (CVE-2026-47303)

Summary: CVE-2026-47303 ASP.NET Core: ASP.NET Core: Privilege Elevation via Authentication Bypass
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: rhel-process-autobot, sdawley, watson-tool-maintainers
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in ASP.NET Core. An authorized attacker can exploit this authentication bypass vulnerability over a network by manipulating assumed-immutable data. This can allow the attacker to elevate their privileges within the system.
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2501475, 2501476, 2501477    
Bug Blocks:    

Description OSIDB Bzimport 2026-07-14 19:04:16 UTC
Authentication bypass by assumed-immutable data in ASP.NET Core allows an authorized attacker to elevate privileges over a network.

Comment 3 errata-xmlrpc 2026-07-20 04:05:07 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:41899 https://access.redhat.com/errata/RHSA-2026:41899

Comment 4 errata-xmlrpc 2026-07-20 04:09:26 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:41893 https://access.redhat.com/errata/RHSA-2026:41893

Comment 5 errata-xmlrpc 2026-07-20 04:31:43 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:41895 https://access.redhat.com/errata/RHSA-2026:41895

Comment 6 errata-xmlrpc 2026-07-20 04:37:00 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:41897 https://access.redhat.com/errata/RHSA-2026:41897

Comment 7 errata-xmlrpc 2026-07-20 04:38:11 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:41900 https://access.redhat.com/errata/RHSA-2026:41900

Comment 8 errata-xmlrpc 2026-07-20 04:46:04 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:41901 https://access.redhat.com/errata/RHSA-2026:41901

Comment 9 errata-xmlrpc 2026-07-20 04:57:48 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:41894 https://access.redhat.com/errata/RHSA-2026:41894

Comment 10 errata-xmlrpc 2026-07-20 06:20:23 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:41896 https://access.redhat.com/errata/RHSA-2026:41896

Comment 11 errata-xmlrpc 2026-07-20 06:24:24 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:41898 https://access.redhat.com/errata/RHSA-2026:41898

Comment 12 errata-xmlrpc 2026-08-24 02:52:14 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:58566 https://access.redhat.com/errata/RHSA-2026:58566

Comment 13 errata-xmlrpc 2026-08-24 02:53:46 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:58567 https://access.redhat.com/errata/RHSA-2026:58567

Comment 14 errata-xmlrpc 2026-08-24 04:22:59 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:58568 https://access.redhat.com/errata/RHSA-2026:58568

Comment 15 errata-xmlrpc 2026-08-24 05:41:59 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:58569 https://access.redhat.com/errata/RHSA-2026:58569

Comment 16 errata-xmlrpc 2026-08-24 05:48:16 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:58570 https://access.redhat.com/errata/RHSA-2026:58570