Trojanized Newtonsoft.Json NuGet Typosquat Targets Gaming Platform

Wed, 22 Jul 2026 12:46:13 +0000

Engineer — Plan: Audit all .NET project lockfiles and build manifests for the package name ‘Newtonsoftt.Json.Net’; also review whether dependency pinning and hash verification are enforced in your NuGet pipeline. No KEV or broad exploitation signals, but the package targets a massively common library, raising accidental-install risk.
SOC/IR — Learn: The technique — a fully functional trojanized fork to evade cursory inspection — is a useful evolution in supply-chain tradecraft, but the summary provides no IOCs, ATT&CK mappings, or detection signatures to act on now.
Leader — Skip

Typosquatting on CuraSec