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.NET 9 Runtime CVE-2026-56158

MEDIUM
N/A vendor:alpine
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Lifecycle Timeline

1
Analysis Generated
Jul 19, 2026 - 21:30 vuln.today

DescriptionCVE.org

Alpine Linux: dotnet9-runtime fixed in 9.0.18-r0

AnalysisAI

Vulnerability in .NET 9 Runtime on Alpine Linux was patched in Alpine package version 9.0.18-r0. The specific vulnerability class, impact, and attack surface are not disclosed in the available intelligence - only that Alpine's vendor advisory triggered a package update. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify target running vulnerable dotnet9-runtime
Exploit
Exploit unknown vulnerability class
Impact
Achieve unknown impact

Vulnerability AssessmentAI

Exploitation Exploitation conditions cannot be determined from the available data. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Risk cannot be meaningfully quantified from the available data. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario No exploit scenario can be constructed from the available data. The vulnerability description contains only the package name and fix version, with no information about attack vector, attacker position, required privileges, or impact. …
Remediation Update the dotnet9-runtime Alpine Linux package to version 9.0.18-r0 or later using the Alpine package manager: 'apk upgrade dotnet9-runtime'. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-56158 vulnerability details – vuln.today

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