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I. Basic Information for CVE-2026-28352
Vulnerability Information

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Vulnerability Title
Indico missing access check in event series management API
Source: NVD (National Vulnerability Database)
Vulnerability Description
Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. In versions prior to 3.3.11, the API endpoint used to manage event series is missing an access check, allowing unauthenticated/unauthorized access to this endpoint. The impact of this is limited to getting the metadata (title, category chain, start/end date) for events in an existing series, deleting an existing event series, and modifying an existing event series. This vulnerability does NOT allow unauthorized access to events (beyond the basic metadata mentioned above), nor any kind of tampering with user-visible data in events. Version 3.3.11 fixes the issue. As a workaround, use the webserver to restrict access to the series management API endpoint.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键功能的认证机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
Indico 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Indico是Indico开源的一个功能丰富的事件管理系统。 Indico 3.3.11之前版本存在访问控制错误漏洞,该漏洞源于事件系列管理API端点缺少访问检查,可能导致未授权访问。
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
indicoindico < 3.3.11 -
II. Public POCs for CVE-2026-28352
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III. Intelligence Information for CVE-2026-28352
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IV. Related Vulnerabilities
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