Docker Hub reported a single database was accessed by an unauthorized user on April 25 exposing 190,000 accounts.

The company did not indicate how the database was accessed, but it is asking users to reset their Docker Hub password. Exposed information included usernames and hashed passwords for a small percentage of users as well as GitHub and Bitbucket tokens for Docker autobuilds. The company has revoked all these tokens and in cases where the password hash was potentially exposed the company is forcing a password reset.

“No Official Images have been compromised. We have additional security measures in place for our Official Images including GPG signatures on git commits as well as Notary signing to ensure the integrity of each image,” Docker said in a statement.

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