Description: An employee at Johns Hopkins Bayview Medical Center in Baltimore, Maryland, reportedly uploaded a spreadsheet containing patient information to an unapproved public AI tool. The hospital notified 3,182 patients of potential exposure, sought deletion of the data, and reinforced staff training. The tool and its developer were not identified; further disclosure or misuse has not been established.
Entities
View all entitiesAlleged: Chatbot developers and Large language model developers developed an AI system deployed by Johns Hopkins Bayview Medical Center , Healthcare workers , Hospitals and Chatbot users, which harmed Johns Hopkins Bayview Medical Center patients , Patients and Privacy.
Alleged implicated AI systems: Chatbots and Large language models
Incident Stats
Incident ID
1792
Report Count
1
Incident Date
2026-09-21
Editors
Daniel Atherton
Incident Reports
Reports Timeline
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A hospital employee at Baltimore's Johns Hopkins Bayview Medical Center appears to have chosen a consumer AI tool to help crunch some numbers this past month, and now the health system is notifying 3,182 patients that their personal data ma…
Variants
A "variant" is an AI incident similar to a known case—it has the same causes, harms, and AI system. Instead of listing it separately, we group it under the first reported incident. Unlike other incidents, variants do not need to have been reported outside the AIID. Learn more from the research paper.
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