Improper Handling of Missing Special Element Affecting dotnet-9-sdk package, versions <9.0.109-r0


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.04% (14th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-DOTNET9SDK-15280535
  • published14 Feb 2026
  • disclosed10 Feb 2026

Introduced: 10 Feb 2026

CVE-2026-21218  (opens in a new tab)
CWE-166  (opens in a new tab)

How to fix?

Upgrade Minimos:latest dotnet-9-sdk to version 9.0.109-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dotnet-9-sdk package and not the dotnet-9-sdk package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

Improper handling of missing special element in .NET allows an unauthorized attacker to perform spoofing over a network.

CVSS Base Scores

version 3.1