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I. Basic Information for CVE-2025-47930
Vulnerability Information

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Vulnerability Title
Zulip Server has access control bypass for restrictions on creation of specific channel types
Source: NVD (National Vulnerability Database)
Vulnerability Description
Zulip is an open-source team chat application. Starting in version 10.0 and prior to version 10.3, the "Who can create public channels" access control mechanism can be circumvented by creating a private or web-public channel, and then changing the channel privacy to public. A similar technique works for creating private channels without permission, though such a process requires either the API or modifying the HTML, as we do mark the "private" radio button as disabled in such cases. Version 10.3 contains a patch.
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
Zulip 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zulip是美国Zulip公司的一款功能强大的开源群聊应用程序。用于将实时聊天的即时性与线程对话的生产力优势相结合。 Zulip 10.0至10.3之前版本存在安全漏洞,该漏洞源于可绕过通道创建权限控制机制,可能导致未经授权的通道创建。
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
zulipzulip >= 10.0, < 10.3 -
II. Public POCs for CVE-2025-47930
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III. Intelligence Information for CVE-2025-47930
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