Flask-AppBuilder Open Redirect vulnerability

TRUNG BÌNH 6.1CVE-2021-32805 · GHSA-624f-cqvr-3qw4 · PYSEC-2021-359 · Công bố 08/09/2021 · cập nhật 17/06/2026

Tóm tắt nhanh

CVE-2021-32805 là lỗ hổng mức TRUNG BÌNH (CVSS 6.1) ảnh hưởng flask-appbuilder, flask-appbuilder (dpgaspar).
Xác suất bị khai thác trong 30 ngày tới (EPSS): 0.70%, cao hơn 53.2% các lỗ hổng khác.
Cách xử lý: cập nhật lên 3.3.2 hoặc mới hơn.

Gói / sản phẩm	Phiên bản bị ảnh hưởng	Phiên bản đã vá
flask-appbuilder PyPI	`< 3.3.2`	`3.3.2`
flask-appbuilder dpgaspar	`< 3.3.2`	`3.3.2`

Mô tả

Impact

If using Flask-AppBuilder OAuth, an attacker can share a carefully crafted URL with a trusted domain for an application built with Flask-AppBuilder, this URL can redirect a user to a malicious site. This is an open redirect vulnerability

Patches

Install Flask-AppBuilder 3.2.2 or above

Workarounds

Filter HTTP traffic containing ?next={next-site} where the next-site domain is different from the application you are protecting

Mô tả của NVD

Flask-AppBuilder is an application development framework, built on top of Flask. In affected versions if using Flask-AppBuilder OAuth, an attacker can share a carefully crafted URL with a trusted domain for an application built with Flask-AppBuilder, this URL can redirect a user to a malicious site. This is an open redirect vulnerability. To resolve this issue upgrade to Flask-AppBuilder 3.2.2 or above. If upgrading is infeasible users may filter HTTP traffic containing `?next={next-site}` where the `next-site` domain is different from the application you are protecting as a workaround.