Vulnerability Information
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Vulnerability Title
Flask session does not add `Vary: Cookie` header when accessed in some ways
Vulnerability Description
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. The logic instructs caches not to cache the response, as it may contain information specific to a logged in user. This is handled in most cases, but some forms of access such as the Python in operator were overlooked. The severity and risk depend on the application being hosted behind a caching proxy that doesn't ignore responses with cookies, not setting a Cache-Control header to mark pages as private or non-cacheable, and accessing the session in a way that only touches keys without reading values or mutating the session. The issue has been fixed in version 3.1.3.
CVSS Information
N/A
Vulnerability Type
通过缓存导致的信息暴露
Vulnerability Title
Flask 安全漏洞
Vulnerability Description
Flask是Pallets开源的一个用于构建web应用程序的Python微框架。 Flask 3.1.2及之前版本存在安全漏洞，该漏洞源于访问会话对象时未正确设置Vary标头，可能导致包含敏感信息的缓存被使用。
CVSS Information
N/A
Vulnerability Type
N/A