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I. Basic Information for CVE-2026-34389
Vulnerability Information

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Vulnerability Title
Fleet's user account creation via invite does not enforce invited email address
Source: NVD (National Vulnerability Database)
Vulnerability Description
Fleet is open source device management software. Prior to 4.81.0, Fleet contained an issue in the user invitation flow where the email address provided during invite acceptance was not validated against the email address associated with the invite. An attacker who obtained a valid invite token could create an account under an arbitrary email address while inheriting the role granted by the invite, including global admin. Version 4.81.0 patches the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
认证机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Fleet 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fleet是Fleet Device Management开源的一个设备管理平台,支持多种操作系统和设备,帮助 IT 和安全团队进行设备管理、漏洞报告、MDM 等操作。 Fleet 4.81.0之前版本存在授权问题漏洞,该漏洞源于用户邀请流程中未验证电子邮件地址,可能导致攻击者创建任意账户并继承权限。
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
fleetdmfleet < 4.81.0 -
II. Public POCs for CVE-2026-34389
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III. Intelligence Information for CVE-2026-34389
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IV. Related Vulnerabilities
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