Information Exposure Affecting flask-appbuilder package, versions [,4.1.3)

  • Attack Complexity


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  • snyk-id


  • published

    31 Jul 2022

  • disclosed

    29 Jul 2022

  • credit


How to fix?

Upgrade Flask-AppBuilder to version 4.1.3 or higher.


Flask-AppBuilder is a simple and rapid application development framework, built on top of Flask. includes detailed security, auto CRUD generation for your models, google charts and much more.

Affected versions of this package are vulnerable to Information Exposure by revealing partial password hashes using crafted HTTP requests that filter users by the contents of their salted hashed password strings.

NOTE: This vulnerability is exploitable only when the AUTH_DB option is in use.