Miasma Worm Hits 73 Microsoft GitHub Repositories in Major Supply Chain Attack
Miasma Worm Hits 73 Microsoft GitHub Repositories in Major Supply Chain Attack
06 June 2026
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.
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