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I. Basic Information for CVE-2025-8533
Vulnerability Information

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Vulnerability Title
Incorrect Authorization of XPC Service in Fantastical.app
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was identified in the XPC services of Fantastical. The services failed to implement proper client authorization checks in its listener:shouldAcceptNewConnection method, unconditionally accepting requests from any local process. As a result, any local, unprivileged process could connect to the XPC service and access its methods. This issue has been resolved in version 4.0.16.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
Flexibits Fantastical 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Flexibits Fantastical是Flexibits公司的一款跨平台日历和任务管理程序。 Flexibits Fantastical存在安全漏洞,该漏洞源于XPC服务未实现适当的客户端授权检查,可能导致本地非特权进程访问服务方法。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
FlexibitsFantastical 0 ~ 4.0.16 -
II. Public POCs for CVE-2025-8533
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III. Intelligence Information for CVE-2025-8533
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IV. Related Vulnerabilities
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