CVE-2026-58567 in PowerStore 500T
Summary
by MITRE • 09/01/2026
Dell PowerStore contains an OS Command Injection vulnerability. An authenticated user with limited privileges could potentially exploit this vulnerability to execute arbitrary commands with root privileges.
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Analysis
by VulDB Data Team • 09/01/2026
The identified vulnerability in Dell PowerStore represents a critical security flaw classified as Operating System Command Injection, which aligns directly with Common Weakness Enumeration identifier CWE-78. This type of vulnerability occurs when an application constructs system-level commands using unsanitized user input without adequately validating or escaping special characters that have significance to the command interpreter. In the context of Dell PowerStore, a network-attached storage appliance designed for enterprise data management, such a flaw poses severe risks due to its privileged nature and central role in organizational infrastructure. The vulnerability allows an authenticated user with limited privileges to bypass intended access controls by injecting malicious shell commands into input fields or parameters that are subsequently passed directly to the underlying operating system without proper sanitization.
From a technical perspective, this exploitation vector typically involves manipulating specific API endpoints, configuration interfaces, or management console inputs where data is processed and forwarded to backend scripts or binaries responsible for executing administrative tasks. When an attacker provides crafted input containing shell metacharacters such as semicolons, pipes, ampersands, or backticks, the system interprets these not merely as literal string values but as instructions to execute additional commands within the host environment. Because Dell PowerStore operates with elevated privileges to manage storage arrays and network interfaces, successful exploitation grants the attacker a command shell running with root-level permissions on the underlying operating system hosting the appliance software. This effectively results in a complete compromise of the target system's confidentiality, integrity, and availability.
The operational impact of this vulnerability is profound given its classification under MITRE ATT&CK technique T1059 Command and Scripting Interpreter, specifically within the context of local privilege escalation via command injection. An adversary who exploits this flaw can execute arbitrary commands to create new administrative accounts, modify system configurations, exfiltrate sensitive data stored on the array, or install persistent backdoors for long-term access. Furthermore, because PowerStore often serves as a critical component in storage area networks and cloud infrastructure integrations, compromising one node could potentially impact broader network stability if lateral movement is attempted against connected systems or backup repositories. The ability to escalate from limited user privileges to root status circumvents standard security boundaries designed to isolate management functions from regular operational tasks.
Mitigation strategies must prioritize immediate patching through official Dell support channels as the primary defense mechanism, ensuring that all firmware and software components are updated to versions where this input validation logic has been corrected. In addition to applying vendor-provided patches, organizations should enforce strict role-based access control policies to limit the number of users with administrative or elevated privileges within the PowerStore management interface. Network segmentation is also recommended to restrict direct internet-facing exposure of management ports and ensure that only authorized IP addresses can interact with the appliance's API endpoints. Continuous monitoring for anomalous command execution patterns in system logs, combined with regular vulnerability assessments targeting storage infrastructure components, will further reduce the risk surface associated with such high-severity flaws.