Detections
Analytics

RHEL 9 : .NET 11.0 (RHSA-2026:99170)

high Nessus Plugin ID 379520

Synopsis

The remote Red Hat host is missing a security update.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:99170 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):

 * 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 3 [rhel-9.9.z] (JIRA:RHEL-293375)

 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 this issue 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-2026:99170

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

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

http://www.nessus.org/u?a5ea3335

Plugin Details

Severity: High

ID: 379520

File Name: redhat-RHSA-2026-99170.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 11/12/2026

Updated: 11/12/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.51

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:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:9, 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

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: 11/12/2026

Vulnerability Publication Date: 10/25/2026

Reference Information

CVE: CVE-2026-114148

CWE: 276

RHSA: 2026:99170