CVE-2026-120446 in madong-admin-saas
Summary
by MITRE • 11/02/2026
madong-admin-saas through 5.1.4 contains a missing authentication vulnerability in the platform tenant management API because the 'platformapi' middleware key never matches the 'platform' application. Unauthenticated remote attackers can call /platformapi/tenant/account, bind-plan and sync-data endpoints to list, create, modify, disable or delete tenants and bind subscription plans.
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Analysis
by VulDB Data Team • 11/02/2026
The vulnerability identified in madong-admin-saas versions through 5.1.4 represents a critical failure in access control mechanisms within the platform tenant management API. This flaw stems from an incorrect implementation of middleware authentication logic where the 'platformapi' middleware key fails to properly validate against the 'platform' application context. In typical secure architectures, middleware acts as a gatekeeper that verifies user identity and permissions before allowing requests to reach specific endpoints. However, due to this misconfiguration or logical error in the codebase, the system does not enforce authentication requirements for these critical administrative functions. As a result, any remote actor with network access can bypass security controls entirely by interacting directly with the affected API routes without providing valid credentials or session tokens.
The operational impact of this vulnerability is severe due to the high privilege level associated with tenant management operations. Unauthenticated attackers are able to invoke several sensitive endpoints including /platformapi/tenant/account, bind-plan, and sync-data. Through these interfaces, adversaries can perform a comprehensive range of destructive actions such as listing existing tenants, creating new administrative accounts, modifying system configurations, disabling user access, deleting tenant data, and binding subscription plans without authorization. This level of control effectively grants the attacker full administrative dominance over the multi-tenant SaaS environment. The ability to create or modify tenants allows for lateral movement within the platform, while the capability to bind subscription plans may lead to unauthorized billing activities or service abuse. Furthermore, access to sync-data endpoints could expose sensitive customer information stored across different tenant silos, leading to significant data breaches and compliance violations under regulations such as GDPR or HIPAA depending on the industry sector.
From a classification perspective, this vulnerability aligns with CWE-287 Improper Authentication, where an actor is able to bypass authentication mechanisms due to flawed logic rather than cryptographic failure. It also relates closely to CWE-862 Missing Authorization, as the system fails to verify whether the authenticated user has permission for specific actions, although in this case even initial authentication is missing entirely. In terms of offensive security frameworks like MITRE ATT&CK, this flaw facilitates Initial Access and Privilege Escalation techniques. Attackers can leverage these unauthenticated endpoints to establish a foothold within the infrastructure or escalate privileges from an anonymous state to full administrative control. The lack of input validation on tenant creation parameters could also potentially lead to CWE-74 Improper Neutralization Special Elements in XML or JSON, although the primary risk remains unauthorized access and data manipulation.
Mitigation strategies must focus immediately on correcting the middleware configuration logic to ensure that all platform API endpoints require valid authentication tokens before processing requests. Developers should implement strict role-based access control checks at both the application layer and database level for tenant management operations. It is essential to audit existing codebases for similar patterns where middleware keys do not correctly map to their intended security contexts. Additionally, implementing rate limiting on administrative APIs can help mitigate automated exploitation attempts while patches are being deployed. Organizations should also consider deploying Web Application Firewalls configured with rules that detect and block requests lacking proper authentication headers to sensitive management endpoints. Regular penetration testing focused on API security is recommended to identify similar logical flaws before they can be exploited in production environments.