It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-2096 advisory.

    Inconsistent interpretation of http requests ('http request/response smuggling') in .NET allows an     unauthorized attacker to bypass a security feature over a network. (CVE-2026-62899)

    Improper removal of sensitive information before storage or transfer in .NET allows an unauthorized     attacker to disclose information over a network. (CVE-2026-62900)

    Unchecked input for loop condition in .NET allows an unauthorized attacker to deny service over a network.
    (CVE-2026-62901)

    Uncaught exception in .NET allows an authorized attacker to elevate privileges locally. (CVE-2026-62909)

Tenable has extracted the preceding description block directly from the tested product security advisory.

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

The Microsoft .NET Core SDK installations on the remote host are missing a security update. It is, therefore, affected by a vulnerability as referenced in the vendor advisory.

  - .NET Elevation of Privilege Vulnerability (CVE-2026-58641, CVE-2026-62871, CVE-2026-62886, CVE-2026-62909)

  - .NET Security Feature Bypass Vulnerability (CVE-2026-62899)

  - .NET Information Disclosure Vulnerability (CVE-2026-62900, CVE-2026-62902)

  - .NET Denial of Service Vulnerability (CVE-2026-62901)

  - .NET Core Remote Code Execution Vulnerability (CVE-2026-70354)

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

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Improper removal of sensitive information before storage or transfer in .NET allows an unauthorized     attacker to disclose information over a network. (CVE-2026-62900)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:54542 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: 10.0.111     Runtime version: 10.0.11

    Security Fix(es):

    * .NET: .NET Core: .NET Security Feature Bypass Vulnerability (CVE-2026-62899)

    * .NET: .NET Information Disclosure Vulnerability (CVE-2026-62900)

    * .NET: .NET Denial of Service Vulnerability (CVE-2026-62901)

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

    Bug Fix(es) and Enhancement(s):

    * Update .NET 10.0 to SDK 10.0.111 and Runtime 10.0.11 (JIRA:RHEL-235478)

    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.

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:54538 advisory.

    * .NET: .NET Core: .NET Security Feature Bypass Vulnerability (CVE-2026-62899)

    * .NET: .NET Information Disclosure Vulnerability (CVE-2026-62900)

    * .NET: .NET Denial of Service Vulnerability (CVE-2026-62901)

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

    Bug Fix(es) and Enhancement(s):

    * Update .NET 8.0 to SDK 8.0.130 and Runtime 8.0.30 (JIRA:Rocky Linux-235468)

Tenable has extracted the preceding description block directly from the RockyLinux security advisory.

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

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:54550 advisory.

    * .NET: .NET Core: .NET Security Feature Bypass Vulnerability (CVE-2026-62899)
      * .NET: .NET Information Disclosure Vulnerability (CVE-2026-62900)
      * .NET: .NET Denial of Service Vulnerability (CVE-2026-62901)
      * .NET: .NET Elevation of Privilege Vulnerability (CVE-2026-62909)


    Bug Fix(es) and Enhancement(s):

      * Update .NET 9.0 to SDK 9.0.120 and Runtime 9.0.19 (JIRA:AlmaLinux-235473)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

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

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-55858 advisory.

    [10.0.111-1.0.1]
    - Add support for Oracle Linux

    [10.0.111-1]
    - Update to .NET SDK 10.0.111 and Runtime 10.0.11
    - Resolves: RHEL-235482

Tenable has extracted the preceding description block directly from the Oracle 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.

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:55857 advisory.

    * .NET: .NET Core: .NET Security Feature Bypass Vulnerability (CVE-2026-62899)
      * .NET: .NET Information Disclosure Vulnerability (CVE-2026-62900)
      * .NET: .NET Denial of Service Vulnerability (CVE-2026-62901)
      * .NET: .NET Elevation of Privilege Vulnerability (CVE-2026-62909)


    Bug Fix(es) and Enhancement(s):

      * Update .NET 10.0 to SDK 10.0.111 and Runtime 10.0.11 [almalinux-9.8.z] (JIRA:AlmaLinux-235481)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

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

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-55857 advisory.

    [10.0.111-1.0.1]
    - Add support for Oracle Linux

    [10.0.111-1]
    - Update to .NET SDK 10.0.111 and Runtime 10.0.11
    - Resolves: RHEL-235481

Tenable has extracted the preceding description block directly from the Oracle 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.

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-8b4cb2340a advisory.

    Update to .NET SDK 10.0.111 and Runtime 10.0.11

    Fixes: CVE-2026-62871,CVE-2026-62886,CVE-2026-62897,CVE-2026-62898,CVE-2026-62899,CVE-2026-62900,CVE-2026-     62901,CVE-2026-62902,CVE-2026-62909,CVE-2026-70354

    Release Notes:

    - SDK: https://github.com/dotnet/core/blob/main/release-notes/10.0/10.0.11/10.0.111.md
    - Runtime: https://github.com/dotnet/core/blob/main/release-notes/10.0/10.0.11/10.0.11.md

Tenable has extracted the preceding description block directly from the Fedora security advisory.

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

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-0db5bf0aae advisory.

    Update to .NET SDK 8.0.130 and Runtime 8.0.30

    Fixes: CVE-2026-62871,CVE-2026-62886,CVE-2026-62897,CVE-2026-62898,CVE-2026-62899,CVE-2026-62900,CVE-2026-     62901,CVE-2026-62902,CVE-2026-62909,CVE-2026-70354

    Release Notes:

    - SDK: https://github.com/dotnet/core/blob/main/release-notes/8.0/8.0.30/8.0.130.md
    - Runtime: https://github.com/dotnet/core/blob/main/release-notes/8.0/8.0.30/8.0.30.md

Tenable has extracted the preceding description block directly from the Fedora security advisory.

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

ID	Name	Product	Family	Published	Updated	Severity
342041	Amazon Linux 2023 : aspnetcore-runtime-9.0, aspnetcore-runtime-dbg-9.0, aspnetcore-targeting-pack-9.0 (ALAS2023-2026-2096)	Nessus	Amazon Linux Local Security Checks	8/31/2026	8/31/2026	high
334621	Security Update for Microsoft .NET Core SDK (August 2026)	Nessus	Windows	8/11/2026	8/21/2026	high
334652	Linux Distros Unpatched Vulnerability : CVE-2026-62900	Nessus	Misc.	8/12/2026	8/21/2026	medium
335252	RHEL 8 : .NET 10.0 (RHSA-2026:54542)	Nessus	Red Hat Local Security Checks	8/13/2026	8/14/2026	high
335349	RockyLinux 8 : .NET 8.0 (RLSA-2026:54538)	Nessus	Rocky Linux Local Security Checks	8/14/2026	8/14/2026	high
335437	AlmaLinux 8 : .NET 9.0 (ALSA-2026:54550)	Nessus	Alma Linux Local Security Checks	8/14/2026	8/14/2026	high
337249	Oracle Linux 10 : .NET / 10.0 (ELSA-2026-55858)	Nessus	Oracle Linux Local Security Checks	8/18/2026	8/18/2026	high
337654	AlmaLinux 9 : .NET 10.0 (ALSA-2026:55857)	Nessus	Alma Linux Local Security Checks	8/18/2026	8/18/2026	high
338022	Oracle Linux 9 : .NET / 10.0 (ELSA-2026-55857)	Nessus	Oracle Linux Local Security Checks	8/19/2026	8/19/2026	high
338606	Fedora 44 : dotnet10.0 (2026-8b4cb2340a)	Nessus	Fedora Local Security Checks	8/21/2026	8/21/2026	high
338615	Fedora 43 : dotnet8.0 (2026-0db5bf0aae)	Nessus	Fedora Local Security Checks	8/21/2026	8/21/2026	high

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