Miasma Worm Hits 73 Microsoft GitHub Repositories in Major Supply Chain Attack
Microsoft's GitHub repositories have become the latest to fall victim to the ongoing Miasma self-replicating supply chain attack campaign. The incident impacted 73 Microsoft repositories across four of its GitHub organizations, including Azure, Azure-Samples, Microsoft, and MicrosoftDocs, per OpenSourceMalware . The development has GitHub to disable access to those repositories. "Access to this repository has been disabled by GitHub Staff due to a violation of GitHub's terms of service," reads the message when attempting to access the " Azure/azure-functions-host " repository. "If you are the owner of the repository, you may reach out to GitHub Support for more information." According to OpenSourceMalware, the incident impacts the following repositories - azure-search-openai-demo-purviewdatasecurity Connectors-NET-LSP Connectors-NET-SDK durabletask durabletask-dotnet durabletask-go durabletask-js durabletask-mssql ...
ī Jun 06, 2026