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CVE Scan for emberstack/kubernetes-reflector:10.0.14

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8 Known Vulnerabilities in this Docker Image

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Critical
3
High
2
Medium
3
Low
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Info/ Unspecified/ Unknown
CVE IDSeverityPackageAffected VersionFixed VersionCVSS Score
CVE-2026-26131highpkg:nuget/Microsoft.NETCore.App.Runtime.linux-x64@10.0.3>=10.0.0,<=10.0.310.0.47.8

Microsoft Security Advisory CVE-2026-26131 – .NET Elevation of Privilege Vulnerability

Executive summary

Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 10.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

An elevation of privilege vulnerability exists in .NET due to improper authorization. Incorrect packaging permissions could allow an attacker to gain elevated privileges.

Announcement

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/386

CVSS Details

  • Severity: High
  • Version: 3.1
  • Score: 7.8
  • Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
  • Weakness: CWE-276 (Incorrect Default Permissions)

Affected Platforms

  • Platforms: Linux
  • Architectures: All

Affected Products

.NET 10

Package name Affected version Patched version
Microsoft.NetCore.App.Runtime.linux-arm >= 10.0.0, <= 10.0.3 10.0.4
Microsoft.NetCore.App.Runtime.linux-arm64 >= 10.0.0, <= 10.0.3 10.0.4
Microsoft.NetCore.App.Runtime.linux-musl-arm >= 10.0.0, <= 10.0.3 10.0.4
Microsoft.NetCore.App.Runtime.linux-musl-arm64 >= 10.0.0, <= 10.0.3 10.0.4
Microsoft.NetCore.App.Runtime.linux-musl-x64 >= 10.0.0, <= 10.0.3 10.0.4
Microsoft.NetCore.App.Runtime.linux-x64 >= 10.0.0, <= 10.0.3 10.0.4

Advisory FAQ

How do I know if I am affected?

If using an affected package listed in affected products, you're exposed to the vulnerability.

How do I fix the issue?

  1. To fix the issue please install the latest version of .NET 10.0. If you have installed one or more .NET SDKs through Visual Studio, Visual Studio will prompt you to update Visual Studio, which will also update your .NET SDKs.
  2. If your application references the vulnerable package, update the package reference to the patched version. You can list the versions you have installed by running the dotnet --info command.

Once you have installed the updated runtime or SDK, restart your apps for the update to take effect.

Additionally, if you've deployed self-contained applications targeting any of the impacted versions, these applications are also vulnerable and must be recompiled and redeployed.

Other Information

Reporting Security Issues

If you have found a potential security issue in a supported version of .NET, please report it to the Microsoft Security Response Center (MSRC) via the MSRC Researcher Portal. Further information can be found in the MSRC Report an Issue FAQ.

Security reports made through MSRC may qualify for the Microsoft .NET Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty.

Support

You can ask questions about this issue on GitHub in the .NET GitHub organization. The main repos are located at https://github.com/dotnet/runtime. The Announcements repo (https://github.com/dotnet/Announcements) will contain this bulletin as an issue and will include a link to a discussion issue. You can ask questions in the linked discussion issue.

Disclaimer

The information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.

External Links

CVE-2026-26131

Acknowledgements

Igor Kovalchuk

Revisions

V1.0 (March 10, 2026): Advisory published.

Relevance:

Since the provided time is in the future (2026) and there is no accompanying text for the CVE description, it is impossible to determine its relevance or criticality for the image. Assuming it follows typical patterns for this image, a vulnerability would likely be critical if it allowed an attacker to bypass RBAC or gain unauthorized access to the Kubernetes secrets and configmaps that the Reflector is designed to manage. Without a specific description of the flaw, its impact remains speculative and dependent on the nature of the exploit. (Note: Relevance analysis is automatically generated and may require verification.)

Package URL(s):
  • pkg:nuget/Microsoft.NETCore.App.Runtime.linux-x64@10.0.3
CVE-2026-26127highpkg:nuget/Microsoft.NETCore.App.Runtime.linux-x64@10.0.3>=10.0.0,<=10.0.310.0.47.5
CVE-2026-26130highpkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-x64@10.0.3>=10.0.0,<=10.0.310.0.47.5
CVE-2025-45582mediumtar>=0not fixed4.1
CVE-2026-29111mediumsystemd<255.4-1ubuntu8.14255.4-1ubuntu8.144.1
CVE-2024-2236lowlibgcrypt20>=0not fixed3.1
CVE-2024-56433lowshadow>=0not fixed3.1
CVE-2025-5222lowicu>=0not fixed3.1

Severity Levels

Exploitation could lead to severe consequences, such as system compromise or data loss. Requires immediate attention.

Vulnerability could be exploited relatively easily and lead to significant impact. Requires prompt attention.

Exploitation is possible but might require specific conditions. Impact is moderate. Should be addressed in a timely manner.

Exploitation is difficult or impact is minimal. Address when convenient or as part of regular maintenance.

Severity is not determined, informational, or negligible. Review based on context.

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