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I. Basic Information for CVE-2026-28433
Vulnerability Information

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Vulnerability Title
Misskey lacks resource ownership validation
Source: NVD (National Vulnerability Database)
Vulnerability Description
Misskey is an open source, federated social media platform. All Misskey servers running versions 10.93.0 and later, but prior to 2026.3.1, contain a vulnerability that allows importing other users' data due to lack of ownership validation. The impact of this vulnerability is estimated to be relatively low, as bad actors would require the ID corresponding to the target file for import. This vulnerability is fixed in 2026.3.1.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: NVD (National Vulnerability Database)
Vulnerability Title
Misskey 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Misskey是Misskey开源的一个永久免费的开源联合社交媒体平台。 Misskey 10.93.0版本至2026.3.1之前版本存在安全漏洞,该漏洞源于缺少所有权验证,可能导致导入其他用户数据。
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
misskey-devmisskey >= 10.93.0, < 2026.3.1 -
II. Public POCs for CVE-2026-28433
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III. Intelligence Information for CVE-2026-28433
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IV. Related Vulnerabilities
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