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flask

3 known vulnerabilities.

flask at a glance

Last 12 months
1
Critical · all time
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Exploited · all time
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Public exploit · all time
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3 results · Feed

  • Low 2.3

    Flask session does not add `Vary: Cookie` header when accessed in some ways

    Flask is a web server gateway interface (WSGI) web application framework. In versions 3.1.2 and below, when the session object is accessed, Flask should set the Vary: Cookie header., resulting in a Use of Cache Containing Sensitive Information vulnerability. …

  • Low 1.8

    Flask uses fallback key instead of current signing key

    Flask is a web server gateway interface (WSGI) web application framework. In Flask 3.1.0, the way fallback key configuration was handled resulted in the last fallback key being used for signing, rather than the current signing key. Signing is provided by the …

  • High 7.5
    CVE-2023-30861 Public exploit

    Flask vulnerable to possible disclosure of permanent session cookie due to missing Vary: Cookie header

    Flask is a lightweight WSGI web application framework. When all of the following conditions are met, a response containing data intended for one client may be cached and subsequently sent by the proxy to other clients. If the proxy also caches `Set-Cookie` he…