
Security researcher Chris Nesbitt-Smith identified more than 100 vulnerabilities across UK government codebases using consumer-grade AI models, including Claude’s Opus and Sonnet. The most severe issue involved the Planning Inspectorate accidentally publishing Microsoft Entra ID credentials with full read/write access to SharePoint and OneDrive accounts containing HR records. Although the agency detected and fixed the breach within 20 minutes of notification, similar lapses were found in the Department of Education and Scottish Government portals. The findings have reignited debate over whether public sector entities should abandon open-source publishing given AI-accelerated vulnerability discovery.
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