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CVE-2026-44424— ShellHub: Cross-tenant IDOR in `GET /api/devices/:uid` discloses device data of any namespace

CVSS 6.5 · Medium EPSS 0.03% · P8

Possible ATT&CK Techniques 1AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProductVersion RangeStatus
shellhub-ioshellhub< 0.24.2affected
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I. Basic Information for CVE-2026-44424

Vulnerability Information
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Vulnerability Title
ShellHub: Cross-tenant IDOR in `GET /api/devices/:uid` discloses device data of any namespace
Source: NVD (National Vulnerability Database)
Vulnerability Description
ShellHub is a centralized SSH gateway. Prior to 0.24.2, GET /api/devices/:uid returns the full device object whenever the caller is authenticated, without verifying that the device belongs to the caller's namespace (tenant). Any authenticated user (JWT or API Key) who knows or can guess a device UID can read device metadata from any other namespace. This vulnerability is fixed in 0.24.2.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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
ShellHub 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ShellHub是ShellHub开源的一个远程设备访问与管理平台。 ShellHub 0.24.2之前版本存在安全漏洞，该漏洞源于GET /api/devices/:uid返回任何经过身份验证调用者的完整设备对象，未验证设备是否属于调用者的命名空间，允许用户读取其他命名空间的设备元数据。
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
shellhub-ioshellhub < 0.24.2 -

II. Public POCs for CVE-2026-44424

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III. Intelligence Information for CVE-2026-44424

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Same Patch Batch · shellhub-io · 2026-05-13 · 4 CVEs total

CVE-2026-444236.5 MEDIUMShellHub: Cross-tenant IDOR in `GET /api/sessions/:uid` discloses SSH session data
CVE-2026-444266.5 MEDIUMShellHub: Cross-tenant IDOR in `GET /api/namespaces/:tenant` via API Key bypasses members
CVE-2026-444255.4 MEDIUMShellHub: Crash-DoS via field injection in filter and sort-by parameters

IV. Related Vulnerabilities

Same product: shellhub
Same vendor: shellhub-io
Same weakness: CWE-639

V. Comments for CVE-2026-44424

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