RHEL 8 : .NET 11.0 (RHSA-2026:92511)

high Nessus Plugin ID 376461

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:92511 advisory.

.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: 11.0.100~rc.3.26522.148 Runtime version: 11.0.0~rc.3.26522.148

Security Fix(es):

* .NET: .NET Elevation of Privilege Vulnerability (CVE-2026-62909)

* dotnet8.0: dotnet9.0: dotnet11.0: dotnet10.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-114148)

Bug Fix(es) and Enhancement(s):

* Update .NET 11 to RC 1 (JIRA:RHEL-260220)

* Update .NET 11 to RC 2 (JIRA:RHEL-276919)

* Update .NET 11 to RC 3 (JIRA:RHEL-292372)

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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2026:92511

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2512185

https://bugzilla.redhat.com/show_bug.cgi?id=2562054

https://issues.redhat.com/browse/RHEL-260220

https://issues.redhat.com/browse/RHEL-276919

https://issues.redhat.com/browse/RHEL-292372

http://www.nessus.org/u?9baab348

Plugin Details

Severity: High

ID: 376461

File Name: redhat-RHSA-2026-92511.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 11/5/2026

Updated: 11/5/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.75

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2026-114148

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS Score Source: CVE-2026-62909

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_eus:8.10, p-cpe:/a:redhat:enterprise_linux:aspnetcore-runtime-11.0, p-cpe:/a:redhat:enterprise_linux:aspnetcore-runtime-dbg-11.0, p-cpe:/a:redhat:enterprise_linux:aspnetcore-targeting-pack-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet-apphost-pack-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet-host, p-cpe:/a:redhat:enterprise_linux:dotnet-hostfxr-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet-runtime-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet-runtime-dbg-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-11.0-source-built-artifacts, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-aot-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-dbg-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet-targeting-pack-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet-templates-11.0, p-cpe:/a:redhat:enterprise_linux:dotnet11.0, p-cpe:/a:redhat:enterprise_linux:dotnet

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/29/2026

Vulnerability Publication Date: 8/11/2026

Reference Information

CVE: CVE-2026-114148, CVE-2026-62909

CWE: 252, 276

RHSA: 2026:92511