CVE-2026-57870 in MicroRealEstate
Summary
by MITRE • 07/07/2026
Broken object-level access control on the Template API in MicroRealEstate allows attackers to retrieve document templates used by other organizations without authorization.
This issue affects MicroRealEstate: through 1.0.0-alpha3.
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Analysis
by VulDB Data Team • 07/07/2026
The vulnerability identified in MicroRealEstate represents a critical breakdown in object-level access control mechanisms within the Template API component, specifically affecting versions up to 1.0.0-alpha3. This flaw enables unauthorized attackers to bypass legitimate access controls and retrieve document templates that belong to other organizations within the same system. The issue stems from insufficient validation of user permissions at the individual object level, allowing malicious actors to exploit the API endpoint and gain access to sensitive templating data that should remain restricted to authorized users within their respective organizational boundaries.
The technical implementation of this vulnerability manifests as a failure in authorization checks during template retrieval operations. When attackers make requests to the Template API endpoints, the system does not properly verify whether the requesting user has legitimate access rights to the specific template object they are attempting to retrieve. This represents a classic case of insufficient access control validation where the application assumes that users have appropriate permissions based on their general role rather than validating their specific entitlements for individual template resources. The flaw operates at the API level, making it particularly dangerous as it can be exploited through automated tools and does not require complex exploitation techniques.
The operational impact of this vulnerability extends beyond simple data exposure, creating significant risks for organizations using MicroRealEstate. Attackers can access proprietary document templates that may contain sensitive information such as contract structures, legal frameworks, or business processes that are unique to other organizations within the same platform. This unauthorized access could lead to competitive intelligence theft, intellectual property exposure, and potential regulatory violations depending on the nature of the templated documents. The vulnerability also undermines the trust model of the application, as it allows users to impersonate legitimate access patterns while accessing resources outside their authorized scope.
From a cybersecurity perspective, this vulnerability aligns with CWE-285 which addresses insufficient authorization issues in software systems. The flaw demonstrates poor implementation of the principle of least privilege where users can access objects beyond what is strictly necessary for their operational roles. Additionally, this issue maps to ATT&CK technique T1078 which covers valid accounts and legitimate credentials as a means for gaining initial access. Organizations may need to consider implementing additional monitoring and detection capabilities around template API access patterns to identify anomalous behavior that could indicate exploitation attempts. The vulnerability also highlights the importance of proper input validation and object-level permission checking in multi-tenant applications where isolation between different organizational units is critical.
Mitigation strategies should focus on implementing robust access control mechanisms that validate user permissions at the individual object level before allowing template retrieval operations. Organizations should ensure that the Template API enforces strict authorization checks using unique identifiers for each template resource and verifies that requesting users have appropriate access rights. This includes implementing proper session management, token validation, and ensuring that access control decisions are made based on specific user entitlements rather than generic role-based permissions. Regular security assessments and penetration testing of API endpoints should be conducted to identify similar authorization gaps in other system components. Additionally, implementing audit logging for template access operations will help detect unauthorized access attempts and provide evidence for incident response activities.