CVE-2021-32805

HIGH7.2EPSS 0.19%

Flask-AppBuilder Open Redirect vulnerability

Published: 9/8/2021Modified: 3/13/2026
Also known as:GHSA-624f-cqvr-3qw4PYSEC-2021-359

Description

### 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

Affected packages (2)

CVSS scores

SourceVersionSeverityVector
osvCVSS 4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
osvCVSS 3.1HIGH7.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

References (7)