CVE-2024-27083: PYSEC-2026-1381 - Flask-AppBuilder's OAuth login page subject to Cross Site Scripting (XSS)

CVE-2024-27083 · Severity: low · CVSS 3.1 · Published 2026-07-07

Flask-AppBuilder's OAuth login page subject to Cross Site Scripting (XSS)

Technologies: flask-appbuilder (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2024-27083 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2024-27083 being exploited in the wild.
How severe is CVE-2024-27083?
Low severity, with a CVSS score of 3.1, published 7 July 2026.
Which products and versions are affected?
flask-appbuilder (PyPI) ECOSYSTEM:introduced=4.1.4,fixed=4.2.1.
Is there a fix for CVE-2024-27083?
Yes. flask-appbuilder (PyPI): upgrade to 4.2.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2024-27083?
Check whether you run flask-appbuilder (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • flask-appbuilder (PyPI): upgrade to 4.2.1 or later
    pip install "flask-appbuilder>=4.2.1"

Affected products

  • flask-appbuilder (PyPI) ECOSYSTEM:introduced=4.1.4,fixed=4.2.1

Identifiers

  • CVE-2024-27083
  • GHSA-fqxj-46wg-9v84
  • PYSEC-2026-1381

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