CVE-2026-59503 in Portal Generator addon to ERP
Summary
by MITRE • 08/13/2026
CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-359: Exposure of Private Personal Information to an Unauthorized Actor
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Analysis
by VulDB Data Team • 08/13/2026
The vulnerability categories CWE-200 and CWE-359 represent critical security flaws that expose sensitive data to unauthorized parties, with CWE-200 serving as the broader category encompassing all forms of information exposure while CWE-359 specifically addresses private personal information disclosure. These vulnerabilities fall under the ATT&CK framework's data exposure tactic, where adversaries seek to access confidential information through various attack vectors including insecure data handling, improper access controls, and inadequate encryption mechanisms. The fundamental technical flaw in both categories involves the unintentional revelation of sensitive data that should remain protected from unauthorized access or disclosure.
The exposure occurs when applications fail to properly implement security controls to protect sensitive information throughout its lifecycle. In CWE-200 scenarios, this encompasses any type of sensitive data including system information, configuration details, authentication credentials, business logic, or intellectual property that could be exploited by malicious actors. CWE-359 specifically targets personal information such as social security numbers, financial records, health data, and other personally identifiable information that requires heightened protection under privacy regulations like gdpr, hipaa, and pci dss standards. Both categories often manifest through improper output filtering, insecure direct object references, insufficient logging controls, or inadequate session management that allows unauthorized access to protected resources.
The operational impact of these vulnerabilities extends far beyond immediate security breaches to encompass regulatory compliance violations, financial penalties, reputational damage, and potential legal consequences. When sensitive information is exposed, adversaries can leverage this data for identity theft, financial fraud, insider trading, or targeted attacks against individuals or organizations. The exposure typically occurs through various attack vectors including web application vulnerabilities, misconfigured databases, insecure file sharing, unencrypted communications, or improper error handling that reveals system internals. Organizations may face mandatory breach notifications, regulatory fines, and loss of customer trust when these vulnerabilities are exploited successfully.
Mitigation strategies for both CWE-200 and CWE-359 vulnerabilities require comprehensive security controls including proper access control implementation, data encryption at rest and in transit, secure output encoding, input validation, and regular security testing. Organizations should implement principle of least privilege access, employ robust authentication mechanisms, utilize secure coding practices, and maintain detailed audit trails to monitor access to sensitive information. Security awareness training for developers is crucial to prevent improper handling of sensitive data, while automated tools can help identify exposure risks during development and deployment phases. Regular penetration testing and vulnerability assessments should focus on identifying potential information disclosure scenarios, particularly in areas handling personal data or system credentials. The implementation of data loss prevention solutions and network monitoring can provide additional layers of protection against unauthorized access to sensitive information, ensuring compliance with industry standards and regulatory requirements while maintaining operational security posture.