CVE-2026-78488 in Secure Connect Gateway
Summary
by MITRE • 09/07/2026
Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to command execution.
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Analysis
by VulDB Data Team • 09/07/2026
The identified security flaw resides within Dell SCG 5.0 Appliance versions prior to build 5.36.00.16 and the corresponding Dell SCG 5.0 Application software prior to version 5.36.00.00, representing a critical failure in input validation mechanisms. This vulnerability is classified as an Improper Neutralization of Special Elements used in an OS Command, commonly referred to as OS Command Injection or CWE-78. The core technical deficiency lies in the application's handling of user-supplied data where special characters and shell metacharacters are not adequately sanitized before being passed to underlying operating system commands. When a request containing maliciously crafted input reaches the vulnerable component, the application fails to distinguish between legitimate command arguments and executable code fragments intended by an attacker. This lack of rigorous validation allows external inputs to alter the structure or intent of the OS-level commands executed by the backend processes, effectively bypassing any internal logic controls designed to restrict user actions.
From a threat actor perspective, this vulnerability is particularly severe because it can be exploited by low-privileged attackers who already possess remote access capabilities. This requirement for initial authentication lowers the barrier to entry significantly compared to unauthenticated exploits, yet it remains highly dangerous in environments where insider threats or compromised credentials are prevalent. Once an attacker successfully injects malicious commands through the vulnerable interface, they gain the ability to execute arbitrary operating system commands with the privileges of the application process. Depending on how the Dell SCG service is configured and deployed, this could result in full system compromise, allowing the attacker to install backdoors, exfiltrate sensitive data stored within the storage array management context, or pivot further into the internal network infrastructure. The operational impact extends beyond immediate code execution, as it undermines the integrity of the storage container governance platform, potentially leading to unauthorized modifications of storage configurations and disruption of critical business operations reliant on these systems.
This vulnerability aligns with MITRE ATT&CK technique T1059 Command and Scripting Interpreter, specifically under sub-techniques involving shell commands such as sh or cmd.exe depending on the underlying operating system hosting the appliance software. The exploitation path typically involves crafting specific HTTP requests or API calls that embed command separators like semicolons, ampersands, or pipes to chain malicious instructions after legitimate parameters. To mitigate this risk, organizations must prioritize patching Dell SCG appliances and applications to version 5.36.00.16 and later for the appliance component, and version 5.36.00.00 or later for the application component respectively. These updates contain the necessary code fixes that implement strict input validation and parameterization strategies to prevent shell metacharacters from influencing command execution flow. In addition to applying vendor patches, administrators should enforce least-privilege principles by ensuring that service accounts running Dell SCG components operate with minimal system permissions, thereby limiting the potential blast radius of any successful exploitation attempt. Network segmentation policies should also be reviewed to restrict remote access to management interfaces only through trusted and monitored channels, reducing the attack surface available to low-privileged users who might otherwise leverage this flaw for lateral movement or privilege escalation within the enterprise environment.