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I. Basic Information for CVE-2026-4251
Vulnerability Information

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Vulnerability Title
CityData CityChat ai.citydata.citychat credentials.json credentials storage
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was determined in CityData CityChat up to 0.12.6 on Android. Affected by this vulnerability is an unknown functionality of the file resources/assets/flutter_assets/assets/credentials.json of the component ai.citydata.citychat. Executing a manipulation can lead to unprotected storage of credentials. The attack requires local access. A high complexity level is associated with this attack. The exploitation appears to be difficult. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
明文存储口令
Source: NVD (National Vulnerability Database)
Vulnerability Title
CityData CityChat 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CityData CityChat是美国CityData公司的一个社区交流平台。 CityData CityChat 0.12.6及之前版本存在安全漏洞,该漏洞源于对组件ai.citydata.citychat的文件resources/assets/flutter_assets/assets/credentials.json的操作不当,可能导致凭据未受保护存储。
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
CityDataCityChat 0.12.0 -
II. Public POCs for CVE-2026-4251
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III. Intelligence Information for CVE-2026-4251
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IV. Related Vulnerabilities
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