CVE-2026-58554 in HarmonyOS
Summary
by MITRE • 07/15/2026
Permission control vulnerability in the Settings module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.
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Analysis
by VulDB Data Team • 07/15/2026
This permission control vulnerability within the Settings module represents a critical security flaw that undermines the integrity of access controls and potentially compromises sensitive system information. The vulnerability stems from inadequate authorization checks that allow unauthorized users to manipulate or access configuration settings that should be restricted to privileged administrators or specific user roles. Such flaws typically manifest when the application fails to properly validate user permissions before executing sensitive operations within the settings interface, creating opportunities for privilege escalation or unauthorized modification of critical system parameters.
The technical implementation of this vulnerability often involves insufficient input validation and access control enforcement mechanisms within the settings module. Attackers can exploit this weakness by crafting malicious requests or manipulating application state to bypass normal authorization flows, potentially gaining access to confidential service configurations, user data, or system parameters that should remain protected. This type of vulnerability aligns with CWE-285, which addresses improper authorization in software systems where entities fail to properly verify that an entity is authorized to perform a requested operation. The flaw may also be categorized under CWE-798, if hardcoded credentials or configuration values are accessible through the settings interface, or CWE-352, if cross-site request forgery allows unauthorized modifications to settings.
The operational impact of this vulnerability extends beyond simple information disclosure, as compromised settings can lead to broader system compromise and service degradation. When attackers gain unauthorized access to configuration parameters, they may alter security policies, modify user permissions, or disable critical protective measures that could result in complete service disruption or unauthorized data access. The confidentiality implications are particularly severe since settings modules often contain sensitive information about system architecture, network configurations, database connections, and authentication mechanisms that provide attackers with valuable intelligence for further exploitation. According to ATT&CK framework, this vulnerability maps to T1546 which covers privilege escalation through modifications to system settings, potentially leading to more extensive compromise of the affected service.
Effective mitigation strategies must address both immediate protection and long-term architectural improvements to prevent similar vulnerabilities from emerging in the future. Organizations should implement robust access control mechanisms that enforce principle of least privilege for all settings operations, ensuring that each user action is properly authenticated and authorized before any configuration changes are permitted. The implementation of proper input validation and parameter sanitization within the settings module will help prevent injection attacks that could be leveraged to bypass authorization checks. Security controls should include comprehensive logging of all settings modifications with detailed audit trails that enable detection of unauthorized access attempts. Additionally, regular security testing including penetration testing and code reviews focused on authorization flows within configuration interfaces will help identify and remediate similar vulnerabilities before they can be exploited by malicious actors in production environments.