PYSEC-2026-1381
See a problem?- Import Source
- https://github.com/pypa/advisory-database/blob/main/vulns/flask-appbuilder/PYSEC-2026-1381.yaml
- JSON Data
- https://api.osv.dev/v1/vulns/PYSEC-2026-1381
- Aliases
- Published
- 2026-07-07T11:45:33.452545Z
- Modified
- 2026-07-07T17:47:37.826047043Z
- Severity
-
- 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N CVSS Calculator
- Summary
- Flask-AppBuilder's OAuth login page subject to Cross Site Scripting (XSS)
- Details
-
Impact
A Cross-Site Scripting (XSS) vulnerability has been discovered on the OAuth login page. An attacker could trick a user to follow a specially crafted URL to the OAuth login page. This URL could inject and execute malicious javascript code that would get executed on the user's browser.
Impacted versions: Flask-AppBuilder version 4.1.4 up to and including 4.2.0
Patches
This issue was introduced on 4.1.4 and patched on 4.2.1, user's should upgrade to 4.2.1 or newer versions.
- References
-
- https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-fqxj-46wg-9v84
- https://nvd.nist.gov/vuln/detail/CVE-2024-27083
- https://github.com/dpgaspar/Flask-AppBuilder/commit/3d17741886e4b3c384d0570de69689e4117aa812
- https://github.com/dpgaspar/Flask-AppBuilder
- https://pypi.org/project/flask-appbuilder
- https://github.com/advisories/GHSA-fqxj-46wg-9v84
Affected packages
PyPI / flask-appbuilder
Package
- Name
- flask-appbuilder
- View open source insights on deps.dev
- Purl
- pkg:pypi/flask-appbuilder