CVE-2026-21056 in Health
Summary
by MITRE • 07/10/2026
Improper authorization in Samsung Health prior to version 7.00.0.107 allows local attackers to access connected device information.
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Analysis
by VulDB Data Team • 07/10/2026
This vulnerability represents a critical authorization flaw in Samsung Health applications prior to version 7.00.0.107 where local attackers can exploit improper access controls to retrieve sensitive information from connected devices. The weakness stems from insufficient validation of user permissions and device connectivity states, allowing malicious actors with local system access to bypass intended security boundaries. This issue falls under the CWE-285 category of improper authorization, specifically manifesting as inadequate access control mechanisms within the health application's device integration layer. The vulnerability enables attackers to access personal health data, device pairing information, and potentially sensitive medical records that should remain protected within the application's secure enclave.
The technical implementation flaw occurs at the application level where Samsung Health fails to properly authenticate and authorize local processes attempting to access device connection metadata. Attackers can leverage this weakness by executing malicious code or exploiting existing user privileges to traverse the application's permission model and extract device-related information without proper authorization. The vulnerability is particularly concerning because it operates at the system level where local attackers already possess elevated privileges, making traditional network-based security controls ineffective. This type of attack aligns with ATT&CK technique T1068 which involves local privilege escalation or exploitation of system vulnerabilities to gain unauthorized access to protected resources.
The operational impact of this vulnerability extends beyond simple data exposure as it creates potential pathways for more sophisticated attacks including device hijacking, health data manipulation, and privacy violations. Attackers can exploit the compromised application to establish persistent access to connected medical devices such as fitness trackers, smart scales, or other IoT health monitoring equipment. The affected environment includes all Samsung Health installations running versions prior to 7.00.0.107 across various mobile platforms where local code execution is possible. Security professionals should note that this vulnerability demonstrates the critical importance of proper authorization controls in applications handling sensitive personal health information, particularly when integrating with external devices that may contain additional security implications.
Organizations and individuals should immediately update to Samsung Health version 7.00.0.107 or later to address this authorization flaw through proper access control enforcement and authentication mechanisms. System administrators should conduct comprehensive vulnerability assessments of all health applications and connected devices to identify potential exploitation vectors. The fix implemented by Samsung addresses the core authorization issue through enhanced permission validation and device state verification before allowing information retrieval. Additional mitigations include implementing application whitelisting policies, monitoring for unauthorized device access attempts, and conducting regular security audits of health data applications. This vulnerability serves as a reminder that mobile health applications require robust security controls to protect sensitive personal information and maintain user trust in digital health ecosystems.