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    CVE-2026-44426

    ShellHub is a centralized SSH gateway. Prior to 0.24.2, GET /api/namespaces/:tenant returns the full namespace object — including the members list (user IDs, e-mails, roles), settings, and device counts — to any caller authenticated by an API Key, for any tenant, regardless of the API Key's own tenant scope. The handler conditionally skips the membership check when the user ID (X-ID) is absent, which is exactly the case for API Key authentication. This vulnerability is fixed in 0.24.2.

    Published:May 13, 2026
    Last Modified:May 14, 2026
    EPS:May 13, 2026
    EPSS Score:0.00037
    CVSS Score:6.5

    Affected Products

    Vendor
    Shellhub
    Product
    Shellhub
    Vendor
    Shellhub-io
    Product
    Shellhub

    Exploits

    https://github.com/shellhub-io/shellhub/security/advisories/GHSA-vwx9-7qcf-gg7fhttps://github.com/shellhub-io/shellhub/security/advisories/GHSA-vwx9-7qcf-gg7f

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High