Flask-AppBuilder is an application development framework built on top of Flask. Versions prior to 4.6.2 would allow for a malicious unauthenticated actor to perform an open redirect by manipulating the Host header in HTTP requests. Flask-AppBuilder 4.6.2 introduced the `FAB_SAFE_REDIRECT_HOSTS` configuration variable, which allows administrators to explicitly define which domains are considered safe for redirection. As a workaround, use a reverse proxy to enforce trusted host headers.
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Affected Vendors & Products
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History
Fri, 19 Sep 2025 18:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:dpgaspar:flask-appbuilder:*:*:*:*:*:*:*:* |
Fri, 16 May 2025 15:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Fri, 16 May 2025 14:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Flask-AppBuilder is an application development framework built on top of Flask. Versions prior to 4.6.2 would allow for a malicious unauthenticated actor to perform an open redirect by manipulating the Host header in HTTP requests. Flask-AppBuilder 4.6.2 introduced the `FAB_SAFE_REDIRECT_HOSTS` configuration variable, which allows administrators to explicitly define which domains are considered safe for redirection. As a workaround, use a reverse proxy to enforce trusted host headers. | |
| Title | Flask-AppBuilder open redirect vulnerability using HTTP host injection | |
| Weaknesses | CWE-601 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2025-05-16T13:51:55.581Z
Updated: 2025-05-16T14:53:52.917Z
Reserved: 2025-04-14T21:47:11.453Z
Link: CVE-2025-32962
Updated: 2025-05-16T14:53:47.737Z
Status : Analyzed
Published: 2025-05-16T14:15:31.190
Modified: 2025-09-19T18:04:24.427
Link: CVE-2025-32962
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