CVE-2026-8164 in ArkSigner Desktop Client
Summary
by MITRE • 07/28/2026
Uncontrolled Search Path Element vulnerability in ArkSigner Software and Hardware Industry and Trade Inc. ArkSigner Desktop Client allows Search Order Hijacking.
This issue affects ArkSigner Desktop Client: from v2.2.16.10 through 17062026.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 07/28/2026
The Uncontrolled Search Path Element vulnerability in ArkSigner Desktop Client represents a critical security flaw that enables attackers to manipulate the application's search order and potentially execute malicious code through path hijacking techniques. This vulnerability specifically impacts versions ranging from v2.2.16.10 through 17062026 of the desktop client software developed by ArkSigner Software and Hardware Industry and Trade Inc. The flaw occurs when the application fails to properly validate or control the directories it searches for required libraries, executables, or configuration files during runtime operations.
The technical implementation of this vulnerability stems from improper handling of dynamic library loading mechanisms within the desktop client application. When the software attempts to locate and load essential components, it follows a predetermined search path that may include user-writable directories or system locations that are not properly secured. This creates opportunities for attackers to place malicious binaries with identical names in higher-priority search locations, causing the legitimate application to execute unintended code. The vulnerability aligns with CWE-427, which specifically addresses Uncontrolled Search Path Element, and demonstrates how applications fail to properly sanitize or control the paths used during dynamic loading operations.
From an operational perspective, this vulnerability poses significant risks to organizations using ArkSigner Desktop Client for digital signature verification and security operations. Attackers could exploit this weakness by placing malicious DLL files or executables in directories that the application searches before legitimate system locations, effectively hijacking the execution flow of the desktop client. The impact extends beyond simple code execution as it can potentially compromise the integrity of digital signatures, undermine trust in the software ecosystem, and provide attackers with persistent access to systems where the vulnerable client is installed.
The attack surface for this vulnerability encompasses various threat actors including both external adversaries and privileged insiders who may have access to modify system directories. The exploitation requires minimal privileges if the attacker can write to directories in the search path, making it particularly dangerous in environments where standard users have write permissions to application installation directories or temporary folders. This weakness directly maps to ATT&CK technique T1059.001 for command and scripting interpreter usage, as attackers could leverage the compromised client to execute malicious commands through the hijacked search order.
Mitigation strategies should focus on implementing proper path validation controls within the desktop client application itself, ensuring that only trusted directories are included in the search order and that system integrity checks are performed before loading dynamic components. Organizations should apply the latest patches released by ArkSigner Software and Hardware Industry and Trade Inc. to address this vulnerability, while also implementing additional security controls such as application whitelisting, restricted write permissions for application directories, and monitoring for suspicious file placement activities in system folders. The implementation of secure coding practices including explicit path resolution and validation would prevent similar vulnerabilities from occurring in future versions of the software.