RHEL 10 : .NET 9.0 (RHSA-2026:93458)

high Nessus Plugin ID 376463

Synopsis

The remote Red Hat host is missing a security update for .NET 9.0.

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:93458 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: 9.0.123 Runtime version: 9.0.22

Security Fix(es):

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

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 RHEL .NET 9.0 package based on the guidance in RHSA-2026:93458.

See Also

https://access.redhat.com/errata/RHSA-2026:93458

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

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

http://www.nessus.org/u?3e8e99e6

Plugin Details

Severity: High

ID: 376463

File Name: redhat-RHSA-2026-93458.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: 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:10, cpe:/o:redhat:enterprise_linux_eus:10.0, p-cpe:/a:redhat:enterprise_linux:aspnetcore-runtime-9.0, p-cpe:/a:redhat:enterprise_linux:aspnetcore-runtime-dbg-9.0, p-cpe:/a:redhat:enterprise_linux:aspnetcore-targeting-pack-9.0, p-cpe:/a:redhat:enterprise_linux:dotnet-apphost-pack-9.0, p-cpe:/a:redhat:enterprise_linux:dotnet-host, p-cpe:/a:redhat:enterprise_linux:dotnet-hostfxr-9.0, p-cpe:/a:redhat:enterprise_linux:dotnet-runtime-9.0, p-cpe:/a:redhat:enterprise_linux:dotnet-runtime-dbg-9.0, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-9.0-source-built-artifacts, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-9.0, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-aot-9.0, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-dbg-9.0, p-cpe:/a:redhat:enterprise_linux:dotnet-targeting-pack-9.0, p-cpe:/a:redhat:enterprise_linux:dotnet-templates-9.0, p-cpe:/a:redhat:enterprise_linux:dotnet9.0, p-cpe:/a:redhat:enterprise_linux:netstandard-targeting-pack-2.1

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: 11/2/2026

Vulnerability Publication Date: 10/25/2026

Reference Information

CVE: CVE-2026-114148

CWE: 276

RHSA: 2026:93458