Advisories for Pypi/Flask-AppBuilder package

2025

Flask App Builder has an Authentication Bypass vulnerability when using non AUTH_DB methods

When Flask-AppBuilder is configured to use OAuth, LDAP, or other non-database authentication methods, the password reset endpoint remains registered and accessible, despite not being displayed in the user interface. This allows an enabled user to reset their password and be able to create JWT tokens even after the user is disabled on the authentication provider.

2024

Flask-AppBuilder vulnerable to incorrect authentication when using auth type OpenID

Impact When Flask-AppBuilder is set to AUTH_TYPE AUTH_OID, allows an attacker to forge an HTTP request, that could deceive the backend into using any requested OpenID service. This vulnerability could grant an attacker unauthorised privilege access if a custom OpenID service is deployed by the attacker and accessible by the backend. This vulnerability is only exploitable when the application is using the old (deprecated 10 years ago) OpenID 2.0 authorization …

2023
2022

Flask-AppBuilder before v4.1.3 allows inference of sensitive information through query strings

An authenticated Admin user could craft HTTP requests to filter users by their salted and hashed passwords strings. These filters could be made by using partial hashed password strings. The response would not include the hashed passwords, but an attacker could infer partial password hashes and their respective users. Only when using AUTH_DB database authentication option.

Duplicate of ./pypi/Flask-AppBuilder/CVE-2022-31177.yml

Impact An authenticated Admin user could craft HTTP requests to filter users by their salted and hashed passwords strings. These filters could be made by using partial hashed password strings. The response would not include the hashed passwords, but an attacker could infer partial password hashes and their respective users. Only when using AUTH_DB database authentication option. Patches Fixed on 4.1.3 For more information If you have any questions or …

URL Redirection to Untrusted Site ('Open Redirect')

Flask-AppBuilder is an application development framework, built on top of the Flask web framework. Flask-AppBuilder contains an open redirect vulnerability when using database authentication login page on versions below 3.4.5. This issue is fixed in version 3.4.5. There are currently no known workarounds.

2021