CVE-2026-58569 in PowerStore 500T
Summary
by MITRE • 09/01/2026
Dell PowerStore contains an Inclusion of Functionality from Untrusted Control Sphere vulnerability. An authenticated user with limited privileges could potentially exploit this vulnerability to execute arbitrary code with root privileges..
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 09/01/2026
The identified security flaw in Dell PowerStore represents a critical escalation of privilege vector rooted in the insecure handling of function calls triggered by untrusted inputs. This specific weakness aligns closely with Common Weakness Enumeration category CWE-94, commonly known as Improper Control of Generation of Code or Command, often referred to broadly under injection flaws where user-controlled data influences the execution path without adequate validation. In this context, an authenticated attacker possessing only limited administrative privileges is able to manipulate internal system functions by injecting malicious parameters into API endpoints or configuration interfaces that are not sufficiently sanitized before being passed to higher-privilege processes. The vulnerability stems from a failure in the application logic to strictly enforce role-based access controls at the function invocation layer, allowing lower-level users to trigger backend operations intended exclusively for superusers.
From an operational perspective, this flaw allows an attacker to bypass standard privilege boundaries and achieve full root access on the underlying operating system hosting the PowerStore array. Once arbitrary code execution is achieved with root privileges, the impact extends far beyond simple data theft or service disruption. The adversary gains complete control over the storage infrastructure, enabling them to exfiltrate sensitive customer data stored within the arrays, modify firmware configurations to establish persistent backdoors, or pivot into connected network segments if the management interface shares trust relationships with other corporate systems. This level of compromise effectively neutralizes the security perimeter provided by Dell PowerStore’s authentication mechanisms, turning a managed storage device into an active weapon against the broader IT environment.
The exploitation technique maps directly to several tactics within the MITRE ATT&CK framework for enterprise environments. Specifically, it relates to Tactic TA0004 Privilege Escalation and Technique T1548 Abuse Elevation Control Mechanism, where the attacker exploits misconfigurations or flaws in access control logic to bypass restrictions. Furthermore, because the vulnerability involves executing arbitrary code through manipulated inputs, it also intersects with Tactic TA0002 Execution and techniques such as T1059 Command and Scripting Interpreter if shell commands are injected via the vulnerable function calls. The ability of a low-privileged user to trigger these actions indicates a significant gap in input validation and context-aware security checks within the application’s architecture, allowing external entities to dictate internal system behavior without proper authorization verification at each step of the execution chain.
Mitigation strategies must focus on immediate patching and rigorous access control reviews. Dell has released updates that address this vulnerability by implementing stricter parameter validation and enforcing role-based restrictions on function invocation endpoints. Organizations should prioritize applying these security patches immediately to close the privilege escalation gap. In addition to patching, administrators should enforce the principle of least privilege across all user accounts associated with the PowerStore management interface, ensuring that no unnecessary administrative rights are granted to users who do not require them for their daily operations. Network segmentation is also recommended to isolate storage management networks from general corporate traffic, limiting the blast radius in case a compromise occurs. Continuous monitoring of system logs for anomalous privilege escalation attempts and regular audits of user permissions will further strengthen the defense posture against such exploitation vectors.