PYSEC-2026-1382

vendorUSosv

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

view advisory published 2026-07-07Licence: CC-BY-4.0

### 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"

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2024-45314USmedium5.5—
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. Th…
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