CVE-2026-78340 in Secure Connect Gateway Policy Manager
Summary
by MITRE • 10/09/2026
Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains an Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to Code execution and Filesystem access for attacker.
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Analysis
by VulDB Data Team • 10/09/2026
The Dell Secure Connect Gateway Policy Manager software, specifically versions prior to 5.34.00.16, contains a critical security flaw classified as an Improper Limitation of a Pathname to a Restricted Directory, commonly known as path traversal or directory traversal. This vulnerability arises from insufficient validation and sanitization of user-supplied input within the application's file handling mechanisms. When the software processes requests involving file paths, it fails to adequately restrict access to directories that are intended to be protected by the operating system's permission model. Consequently, an attacker can manipulate these inputs to navigate outside the designated secure directory structure, accessing arbitrary files and folders on the underlying host system. This lack of input validation represents a fundamental failure in enforcing security boundaries around sensitive resources managed by the Policy Manager service.
From a technical perspective, this flaw aligns with CWE-22, which defines Improper Limitation of a Pathname to a Restricted Directory. The vulnerability allows for unauthorized read and write operations on files that are not meant to be accessible through the application's normal interface. By constructing maliciously crafted file paths containing sequence characters such as dot-dot-slash or their URL-encoded equivalents, an attacker can bypass intended access controls. This capability effectively neutralizes the security perimeter established by the software architecture, granting the adversary direct interaction with the filesystem in ways that were not anticipated by the developers. The severity of this issue is compounded by its potential to lead directly to arbitrary code execution if the attacker targets specific file types or locations where uploaded content can be executed as scripts or binaries.
The operational impact of exploiting this vulnerability is severe, particularly given the privilege level required for exploitation. A high-privileged attacker with local access on the host system running Dell Secure Connect Gateway could leverage this flaw to achieve complete compromise of the affected service and potentially the underlying operating system. Once inside the restricted directory structure, an attacker can exfiltrate sensitive configuration files, credentials, or proprietary data stored within the Policy Manager's scope. More critically, if the application allows for file uploads or processes user-controlled content in a manner that permits execution, the path traversal vulnerability serves as a vector for remote code execution. This transforms a local access issue into a potential full system compromise, undermining the integrity and confidentiality guarantees provided by the Secure Connect Gateway platform.
This incident maps to several entries within the MITRE ATT&CK framework, reflecting common adversary behaviors in real-world attacks. The exploitation of this vulnerability corresponds to T1083 File and Directory Discovery, as the attacker explores the filesystem structure to locate valuable targets. Furthermore, if the attacker modifies or creates files to maintain persistence or escalate privileges, it aligns with T1552 Unsecured Credentials for data theft or T1608 Install of Additional Components for establishing a foothold. The ability to execute code via file manipulation also relates to T1059 Command and Scripting Interpreter if scripts are invoked through the compromised filesystem access. These mappings highlight how this specific software flaw facilitates broader attack chains typical in advanced persistent threats targeting enterprise infrastructure.
To mitigate this vulnerability, organizations running Dell Secure Connect Gateway must immediately apply the vendor-recommended patch by upgrading to version 5.34.00.16 or later. This update includes necessary code changes to enforce strict path validation and restrict access to only authorized directories. Until the upgrade is performed, administrators should ensure that the service runs with the principle of least privilege, minimizing the impact if an exploitation attempt occurs. Additionally, implementing network segmentation can limit lateral movement opportunities for attackers who have gained local access. Regular security audits and input validation reviews are essential preventive measures against path traversal flaws in any web-facing or locally accessible application to maintain robust defense-in-depth strategies.