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I. Basic Information for CVE-2026-28432
Vulnerability Information

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Vulnerability Title
HTTP signature verification can be bypassed
Source: NVD (National Vulnerability Database)
Vulnerability Description
Misskey is an open source, federated social media platform. All Misskey servers prior to 2026.3.1 contain a vulnerability that allows bypassing HTTP signature verification. Although this is a vulnerability related to federation, it affects all servers regardless of whether federation is enabled or disabled. This vulnerability is fixed in 2026.3.1.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
密码学签名的验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Misskey 数据伪造问题漏洞
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 2026.3.1之前版本存在数据伪造问题漏洞,该漏洞源于允许绕过HTTP签名验证。
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 < 2026.3.1 -
II. Public POCs for CVE-2026-28432
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III. Intelligence Information for CVE-2026-28432
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IV. Related Vulnerabilities
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