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🛡️ CVE-2024-45314 — flask-appbuilder

🟢 CVSS 3.6 — Low ✅ No Known Exploit CWE-525 OSV
3.6
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Flask-AppBuilder's login form allows browser to cache sensitive fields

Impact

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.

Patches

Upgrade flask-appbuilder to version 4.5.1

Workarounds

If upgrading is not possible configure your web server to send the following HTTP headers for /login:

"Cache-Control": "no-store, no-cache, must-revalidate, max-age=0"

"Pragma": "no-cache"

"Expires": "0"

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. Rated impact: confidentiality none, integrity none, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N

  • Attack vector: Local — a local account, shell or session on the host is needed.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Attack requirements: None — no deployment-specific condition has to hold.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: Passive — a victim action is involved, but not a deliberate one.
  • Confidentiality impact: None.
  • Integrity impact: None.
  • Availability impact: None.

Weakness class

CVE-2024-45314 is classified as CWE-525: Use of Web Browser Cache Containing Sensitive Information. The web application does not use an appropriate caching policy that specifies the extent to which each web page and associated form fields should be cached.

Affected software

CVE-2024-45314 is recorded against 1 package.

  • flask-appbuilder (fixed in 4.5.1)

Timeline and source

Published on 7 July 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from OSV.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Package)
pypi.org (Package)
github.com (Advisory)

Other advisories for this package

flask-appbuilder has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-525: Use of Web Browser Cache Containing Sensitive Information) in other software:

Details

Severity LOW
CVSS Score 3.6
CVSS Vector CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N
CWE CWE-525
Public Exploit ✅ No
Source OSV
Published 2026-07-07
Updated 2026-08-20
Modified 2026-07-07

Affected Packages

Software From version Fixed in
flask-appbuilder — 4.5.1

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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