What’s Vulnerable › Vulnerabilities

CVE-2024-45314: Flask-AppBuilder login form allows browser to cache sensitive fields

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-09-04 · updated 2026-06-17
• Weakness: CWE-525

Description

Flask-AppBuilder is an application development framework. Prior to version 4.5.1, the auth DB login form default cache directives allows browser to locally store sensitive data. This can be an issue on environments using shared computer resources. Version 4.5.1 contains a patch for this issue. If upgrading is not possible, configure one's web server to send the specific HTTP headers for `/login` per the directions provided in the GitHub Security Advisory.

Affected products

• dpgaspar Flask-AppBuilder: before 4.5.1 — fixed in 4.5.1

How to fix

Upgrade to a fixed version: dpgaspar Flask-AppBuilder 4.5.1. Check the vendor advisory for mitigations.

References

• https://github.com/dpgaspar/Flask-AppBuilder/commit/3030e881d2e44f4021764e18e489fe940a9b3636
• https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-fw5r-6m3x-rh7p

Get alerted when CVE-2024-45314 or the next vulnerability affects your stack