VDB

GCVE-110-OSM-2026-818

GCVE-110-OSM-2026-818
Advisory PublishedCVSS 9.6/10
Vulnetix · Advisory published March 27, 2026
Malicious XAML parsing library for .NET targeting WPF and UI developers with automated RAT delivery. Uses IL weaving to inject module initializers into compiled .NET binaries for automatic execution on load. Downloads batch scripts from C2 at nazi.igboat.com and executes SeroXen RAT payloads.
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Weaknesses (CWE)

CWE-506Embedded Malicious Code

Risk Scores

CVSS 3.1
9.6/10
Critical · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected Products

VendorProductVersionsPlatforms
unknownPortable.Xaml.Netall (affected)—

References

Malicious nuget package: Portable.Xaml.Net
advisory
vendor

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