Record / data breach · United States · 2026-09-26

Hugging Face detected unauthorized access to Spaces secrets and revoked tokens

data breachAI eraconfidence 90named

Hugging Face said it detected unauthorized access to its Spaces platform tied to Spaces secrets, and suspected that a subset of those secrets could have been read without authorization. It revoked HF tokens found in the affected secrets, emailed affected users and urged everyone to rotate keys and switch to fine-grained tokens. It reported the incident to law enforcement and data protection authorities.

Organization
Hugging Face · huggingface.co
Country · sector
United States · Artificial intelligence
Dates
occurred – · disclosed 2024-05-31 · published 2026-09-26
Tags
ai-supply-chain, data-exposure, ai-era

Sources

Defenses for this class of incident

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A data breach sits in these classes of the AI-security landscape. The companies below work on that class of problem. This is a taxonomy, not a claim that any of them would have changed this incident.

HeimWall Operator
AI identity
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United States · est. 2022 · raised $32M

Vendor data: AI Security Startups Map by Prompt Security (CC BY 4.0), synced daily. startups.prompt.security. Paid placements are labelled Sponsored; HeimWall, which runs this site, is labelled Operator. 453 companies in the directory.

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