CVE-2026-47165

MEDIUM

ImageMagick: Information Disclosure in distributed pixel cache server because it is not using a challenge–response authentication model

Published May 22, 2026Updated June 11, 2026Source: osv

Summary

The distributed pixel cache was originally designed to operate without a challenge–response authentication model. However, given today’s heightened security expectations, we have changed our implementation.

Remediation

Upgrade to the fixed version using your package manager.

NuGet

Update Magick.NET-Q8-arm64 to 14.12.0 or later

dotnet add package Magick.NET-Q8-arm64 --version 14.12.0

NuGet

Update Magick.NET-Q16-OpenMP-x64 to 14.12.0 or later

dotnet add package Magick.NET-Q16-OpenMP-x64 --version 14.12.0

NuGet

Update Magick.NET-Q16-OpenMP-arm64 to 14.12.0 or later

dotnet add package Magick.NET-Q16-OpenMP-arm64 --version 14.12.0

NuGet

Update Magick.NET-Q8-OpenMP-x64 to 14.12.0 or later

dotnet add package Magick.NET-Q8-OpenMP-x64 --version 14.12.0

NuGet

Update Magick.NET-Q8-x64 to 14.12.0 or later

dotnet add package Magick.NET-Q8-x64 --version 14.12.0

NuGet

Update Magick.NET-Q8-OpenMP-arm64 to 14.12.0 or later

dotnet add package Magick.NET-Q8-OpenMP-arm64 --version 14.12.0

NuGet

Update Magick.NET-Q16-x64 to 14.12.0 or later

dotnet add package Magick.NET-Q16-x64 --version 14.12.0

NuGet

Update Magick.NET-Q16-HDRI-AnyCPU to 14.12.0 or later

dotnet add package Magick.NET-Q16-HDRI-AnyCPU --version 14.12.0

NuGet

Update Magick.NET-Q16-HDRI-OpenMP-arm64 to 14.12.0 or later

dotnet add package Magick.NET-Q16-HDRI-OpenMP-arm64 --version 14.12.0

NuGet

Update Magick.NET-Q16-arm64 to 14.12.0 or later

dotnet add package Magick.NET-Q16-arm64 --version 14.12.0

NuGet

Update Magick.NET-Q16-HDRI-x86 to 14.12.0 or later

dotnet add package Magick.NET-Q16-HDRI-x86 --version 14.12.0

NuGet

Update Magick.NET-Q16-x86 to 14.12.0 or later

dotnet add package Magick.NET-Q16-x86 --version 14.12.0

NuGet

Update Magick.NET-Q16-AnyCPU to 14.12.0 or later

dotnet add package Magick.NET-Q16-AnyCPU --version 14.12.0

NuGet

Update Magick.NET-Q8-AnyCPU to 14.12.0 or later

dotnet add package Magick.NET-Q8-AnyCPU --version 14.12.0

NuGet

Update Magick.NET-Q16-HDRI-arm64 to 14.12.0 or later

dotnet add package Magick.NET-Q16-HDRI-arm64 --version 14.12.0

NuGet

Update Magick.NET-Q8-x86 to 14.12.0 or later

dotnet add package Magick.NET-Q8-x86 --version 14.12.0

NuGet

Update Magick.NET-Q16-HDRI-x64 to 14.12.0 or later

dotnet add package Magick.NET-Q16-HDRI-x64 --version 14.12.0

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (17)

Package	Ecosystem	Affected	Fixed In
Magick.NET-Q8-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+54 more)	14.12.0
Magick.NET-Q16-OpenMP-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+106 more)	14.12.0
Magick.NET-Q16-OpenMP-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+54 more)	14.12.0
Magick.NET-Q8-OpenMP-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+106 more)	14.12.0
Magick.NET-Q8-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+225 more)	14.12.0
Magick.NET-Q8-OpenMP-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+54 more)	14.12.0
Magick.NET-Q16-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+225 more)	14.12.0
Magick.NET-Q16-HDRI-AnyCPU	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+206 more)	14.12.0
Magick.NET-Q16-HDRI-OpenMP-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+54 more)	14.12.0
Magick.NET-Q16-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+54 more)	14.12.0
Magick.NET-Q16-HDRI-x86	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+206 more)	14.12.0
Magick.NET-Q16-x86	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+225 more)	14.12.0
Magick.NET-Q16-AnyCPU	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+209 more)	14.12.0
Magick.NET-Q8-AnyCPU	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+209 more)	14.12.0
Magick.NET-Q16-HDRI-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+54 more)	14.12.0
Magick.NET-Q8-x86	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+225 more)	14.12.0
Magick.NET-Q16-HDRI-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+206 more)	14.12.0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CWE-200
Information ExposureMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 4.1 score means for each attack dimension.

Attack Vector

Local

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

References

Frequently Asked Questions

What is CVE-2026-47165?: ImageMagick: Information Disclosure in distributed pixel cache server because it is not using a challenge–response authentication model This vulnerability has been assigned a severity rating of MEDIUM (CVSS score: 4.1/10).
How do I check if my project is affected by CVE-2026-47165?: CVE-2026-47165 affects Magick.NET-Q8-arm64, Magick.NET-Q16-OpenMP-x64 and Magick.NET-Q16-OpenMP-arm64 (and 14 more). Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-47165 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score

4.1

Exploitation requires specific conditions or has limited impact. Remediate within weeks.

Also Known As

GHSA-2rgj-gx5x-f62w

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