Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network.

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-d757a4044b advisory.

    Update to .NET SDK 8.0.131 and Runtime 8.0.31

    Fixes: CVE-2026-58649,CVE-2026-69304,CVE-2026-69439,CVE-2026-69522,CVE-2026-71328

    Release Notes:

    - SDK: https://github.com/dotnet/core/blob/main/release-notes/8.0/8.0.31/8.0.131.md
    - Runtime: https://github.com/dotnet/core/blob/main/release-notes/8.0/8.0.31/8.0.31.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 45 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-fa6de37202 advisory.

    Update to .NET SDK 10.0.112 and Runtime 10.0.12

    Fixes: CVE-2026-58649,CVE-2026-69304,CVE-2026-69439,CVE-2026-69522,CVE-2026-69806,CVE-2026-71328

    Release Notes:

    - SDK: https://github.com/dotnet/core/blob/main/release-notes/10.0/10.0.12/10.0.112.md
    - Runtime: https://github.com/dotnet/core/blob/main/release-notes/10.0/10.0.12/10.0.12.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 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-0fa8c76e88 advisory.

    Update to .NET SDK 8.0.131 and Runtime 8.0.31

    Fixes: CVE-2026-58649,CVE-2026-69304,CVE-2026-69439,CVE-2026-69522,CVE-2026-71328

    Release Notes:

    - SDK: https://github.com/dotnet/core/blob/main/release-notes/8.0/8.0.31/8.0.131.md
    - Runtime: https://github.com/dotnet/core/blob/main/release-notes/8.0/8.0.31/8.0.31.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 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-9d80c37c0a advisory.

    Update to .NET SDK 9.0.121 and Runtime 9.0.20

    Fixes: CVE-2026-58649,CVE-2026-69304,CVE-2026-69439,CVE-2026-69522,CVE-2026-69806,CVE-2026-71328

    Release Notes:

    - SDK: https://github.com/dotnet/core/blob/main/release-notes/9.0/9.0.20/9.0.121.md
    - Runtime: https://github.com/dotnet/core/blob/main/release-notes/9.0/9.0.20/9.0.20.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 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-a5c27e8727 advisory.

    Update to .NET SDK 10.0.112 and Runtime 10.0.12

    Fixes: CVE-2026-58649,CVE-2026-69304,CVE-2026-69439,CVE-2026-69522,CVE-2026-69806,CVE-2026-71328

    Release Notes:

    - SDK: https://github.com/dotnet/core/blob/main/release-notes/10.0/10.0.12/10.0.112.md
    - Runtime: https://github.com/dotnet/core/blob/main/release-notes/10.0/10.0.12/10.0.12.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-2026-182712d480 advisory.

    Update to .NET SDK 9.0.121 and Runtime 9.0.20

    Fixes: CVE-2026-58649,CVE-2026-69304,CVE-2026-69439,CVE-2026-69522,CVE-2026-69806,CVE-2026-71328

    Release Notes:

    - SDK: https://github.com/dotnet/core/blob/main/release-notes/9.0/9.0.20/9.0.121.md
    - Runtime: https://github.com/dotnet/core/blob/main/release-notes/9.0/9.0.20/9.0.20.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-2026-04a0116777 advisory.

    Update to .NET SDK 10.0.112 and Runtime 10.0.12

    Fixes: CVE-2026-58649,CVE-2026-69304,CVE-2026-69439,CVE-2026-69522,CVE-2026-69806,CVE-2026-71328

    Release Notes:

    - SDK: https://github.com/dotnet/core/blob/main/release-notes/10.0/10.0.12/10.0.112.md
    - Runtime: https://github.com/dotnet/core/blob/main/release-notes/10.0/10.0.12/10.0.12.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.

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

  - Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally. (CVE-2026-62871,
    CVE-2026-70354)

  - Origin validation error in .NET allows an unauthorized attacker to disclose information over a network.
    (CVE-2026-58649)

  - Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.
    (CVE-2026-62886)

  - Integer overflow or wraparound in .NET Framework allows an unauthorized attacker to execute code locally.
    (CVE-2026-62897)

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

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

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized
    attacker to deny service over a network. (CVE-2026-69304)

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

  - Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized     attacker to deny service over a network. (CVE-2026-69304)

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

The Microsoft Visual Studio Products are missing security updates. It is, therefore, affected by multiple vulnerabilities:

  - Heap-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to elevate privileges     over a network. (CVE-2026-69439)

  - Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a     network. (CVE-2026-69522, CVE-2026-71328)

  - External control of file name or path in .NET allows an unauthorized attacker to elevate privileges over a     network. (CVE-2026-69805)

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	Type	Severity
349132	Fedora 43 : dotnet8.0 (2026-d757a4044b)	Nessus	Fedora Local Security Checks	Local	high
349130	Fedora 45 : dotnet10.0 (2026-fa6de37202)	Nessus	Fedora Local Security Checks	Local	high
349128	Fedora 44 : dotnet8.0 (2026-0fa8c76e88)	Nessus	Fedora Local Security Checks	Local	high
349127	Fedora 44 : dotnet9.0 (2026-9d80c37c0a)	Nessus	Fedora Local Security Checks	Local	high
349126	Fedora 44 : dotnet10.0 (2026-a5c27e8727)	Nessus	Fedora Local Security Checks	Local	high
349122	Fedora 43 : dotnet9.0 (2026-182712d480)	Nessus	Fedora Local Security Checks	Local	high
349121	Fedora 43 : dotnet10.0 (2026-04a0116777)	Nessus	Fedora Local Security Checks	Local	high
447907	Alpine: multiple aspnetcore8-runtime packages, multiple dotnet-host packages: security update to 8.0.31-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	Local	high
447907	Alpine: multiple aspnetcore8-runtime packages, multiple dotnet-host packages: security update to 8.0.31-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	Local	high
447906	Alpine: multiple aspnetcore10-runtime packages, multiple dotnet-host packages: security update to 10.0.12-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	Local	high
447906	Alpine: multiple aspnetcore10-runtime packages, multiple dotnet-host packages: security update to 10.0.12-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	Local	high
344807	Security Update for Microsoft ASP.NET Core (September 2026)	Nessus	Windows	Local	medium
447887	Alpine: multiple aspnetcore9-runtime packages, multiple dotnet-host packages: security update to 9.0.20-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	Local	high
447887	Alpine: multiple aspnetcore9-runtime packages, multiple dotnet-host packages: security update to 9.0.20-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	Local	high
447859	SCA: security update for Microsoft.AspNetCore.Server.IISIntegration (GHSA-8cp2-47hg-mfgh)	Tenable Cloud Security	SCA Checks	Local	medium
447859	SCA: security update for Microsoft.AspNetCore.Server.IISIntegration (GHSA-8cp2-47hg-mfgh)	Tenable Self-Hosted Container Security	SCA Checks	Local	medium
344384	Linux Distros Unpatched Vulnerability : CVE-2026-69304	Nessus	Misc.	Local	medium
344292	Microsoft Visual Studio Products (September 2026)	Nessus	Windows : Microsoft Bulletins	Local	high

Detections

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CVE-2026-69304

medium

Tenable Plugins

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