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I. Basic Information for CVE-2025-43866
Vulnerability Information

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Vulnerability Title
Vantage6 Server JWT secret not cryptographically secure
Source: NVD (National Vulnerability Database)
Vulnerability Description
vantage6 is an open-source infrastructure for privacy preserving analysis. The JWT secret key in the vantage6 server is auto-generated unless defined by the user. The auto-generated key is a UUID1, which is not cryptographically secure as it is predictable to some extent. This vulnerability is fixed in 4.11.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用不充分的随机数
Source: NVD (National Vulnerability Database)
Vulnerability Title
vantage6 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
vantage6是vantage6开源的一个用于 Secure Insight eXchange 的开源 priVAcy preserviNg federalTed leArningG 基础架构。 vantage6 4.11.0之前版本存在安全特征问题漏洞,该漏洞源于JWT密钥自动生成不安全,可能导致密钥预测。
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
vantage6vantage6 < 4.11 -
II. Public POCs for CVE-2025-43866
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III. Intelligence Information for CVE-2025-43866
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IV. Related Vulnerabilities
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