GO-2026-5680 ShellHub has cross-tenant IDOR in `GET /api/namespaces/:tenant` via API Key bypasses membership check in github.com/shellhub-io/shellhub

ShellHub has cross-tenant IDOR in GET /api/namespaces/:tenant via API Key bypasses membership check in github.com/shellhub-io/shellhub...

CVE-2026-44426 ShellHub: Cross-tenant IDOR in `GET /api/namespaces/:tenant` via API Key bypasses membership check

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...

Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the GET /api/namespaces/:tenant process. An attacker can access sensitive information belonging to other tenants by authenticating with an API Key and bypassing membership checks...