CVE-2026-58976 in Android
Summary
by MITRE • 11/02/2026
In getSelectionBySubIds of ProviderUtil.java, there is a possible cross-user data leak due to a logic error in the code. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
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Analysis
by VulDB Data Team • 11/03/2026
The vulnerability identified within the getSelectionBySubIds method of ProviderUtil.java represents a critical logical flaw that facilitates unauthorized cross-user data access. This specific defect stems from an insufficient validation mechanism when processing sub-identifier inputs, allowing an attacker to manipulate request parameters to retrieve information belonging to other users or entities. The core issue lies in the absence of proper authorization checks that verify whether the requesting user has legitimate permission to access the specified resources based on their identity and role. Instead of strictly binding data retrieval operations to the authenticated session's context, the logic erroneously relies solely on the provided identifiers without cross-referencing them against the current user's permitted scope. This oversight creates a direct pathway for information disclosure where sensitive data can be extracted by simply altering input values such as IDs or keys in API calls or web requests.
From an operational perspective, this vulnerability enables local information disclosure with significant consequences for system integrity and privacy. Since no additional execution privileges are required beyond what is normally granted to authenticated users, the attack surface is broadened considerably. Any user who can interact with the affected component can potentially exploit this logic error to access confidential data belonging to other parties. The fact that user interaction is not needed for exploitation further exacerbates the risk, as automated tools or scripts could systematically probe for valid identifiers and harvest sensitive information without triggering typical behavioral anomalies associated with manual attacks. This type of flaw often leads to compliance violations regarding data protection regulations such as GDPR or HIPAA if personal health information or personally identifiable information is exposed through this channel.
In terms of industry standard classifications, this vulnerability aligns closely with CWE-284 Improper Access Control and CWE-601 URL Redirection to Untrusted Site If Used for Open Redirect although the primary concern here is data leakage rather than redirection. It also maps to MITRE ATT&CK technique T1530 Data from Cloud Storage Object which involves accessing cloud-based storage objects without proper authorization, or more generally T1078 Valid Accounts where attackers leverage existing credentials to access resources they should not have permission to view. The lack of explicit user interaction required for exploitation places this in a higher severity category within many risk assessment frameworks because it allows for automated, scalable attacks that can compromise large volumes of data rapidly.
To mitigate this vulnerability, developers must implement robust authorization checks at the point of data retrieval. This involves ensuring that every request to getSelectionBySubIds validates not only the existence and validity of the requested sub-IDs but also explicitly verifies that the authenticated user associated with the current session has permission to access those specific resources. Implementing role-based access control or attribute-based access control mechanisms can help enforce these boundaries effectively. Additionally, introducing comprehensive logging and monitoring for unusual data retrieval patterns can aid in detecting potential exploitation attempts in real-time. Regular security code reviews focusing on logic flaws rather than just syntax errors are essential to prevent such vulnerabilities from being introduced into the application layer during future development cycles.