CVE-2026-78485 in Secure Connect Gateway
Summary
by MITRE • 09/09/2026
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 Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access
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Analysis
by VulDB Data Team • 09/09/2026
The identified security flaw resides within Dell SCG 5.0 Appliance versions prior to build 5.36.00.16 and the corresponding Application versions prior to 5.36.00.00. This vulnerability is classified as an Improper Limitation of a Pathname to a Restricted Directory, commonly known in industry standards as CWE-22: Path Traversal. The core technical issue stems from insufficient validation or sanitization of user-supplied input that dictates file system paths within the application logic. When the software processes requests involving directory navigation, it fails to adequately restrict access to only those directories explicitly intended for public or authorized interaction. This lack of rigorous boundary enforcement allows an attacker to manipulate path strings using standard traversal sequences such as dot-dot-slash characters to escape the designated root directory and traverse upward into sensitive areas of the file system.
From a technical perspective, this flaw represents a classic injection-style vulnerability where the application treats untrusted input as part of its internal command or file structure rather than as data. By constructing maliciously crafted URLs or API parameters containing relative path sequences, an attacker can direct the server to read files located outside the web root or restricted application directories. This capability is particularly dangerous because it bypasses standard access controls that rely on directory boundaries for security enforcement. The vulnerability does not require authentication, meaning any remote actor with network connectivity to the service port hosting this component can attempt exploitation without needing valid credentials.
The operational impact of exploiting this path traversal weakness is severe and directly leads to unauthorized access to sensitive system resources. An attacker who successfully leverages this flaw could read configuration files containing database passwords, API keys, or internal network topology details stored on the server. In more critical scenarios, if write permissions are misconfigured in conjunction with this vulnerability, it might allow for arbitrary file writes, potentially leading to remote code execution by overwriting executable scripts or system binaries. The exposure of sensitive data compromises confidentiality and integrity, undermining the trust model of the Dell Storage Containerized Gateway infrastructure and exposing downstream systems to further compromise based on leaked credentials or architectural insights.
This specific vulnerability aligns with MITRE ATT&CK technique T1083: File and Directory Discovery, where adversaries use operating system utilities to explore a compromised host for sensitive information. It also relates to the broader category of CWE-20: Improper Input Validation, as the root cause is the failure to properly validate that input parameters conform to expected safe patterns before being processed by file system operations. The lack of authentication requirement places this in the high-risk category of remote exploitation vectors that can be automated and scaled across large networks without prior compromise of user accounts.
To mitigate this risk, organizations running affected versions must immediately apply the vendor-recommended patches updating Dell SCG 5.0 Appliance to version 5.36.00.16 or later and Application components to 5.36.00.00 or higher. These updates contain code changes that enforce strict path canonicalization, ensuring that all resolved file paths remain within the intended restricted directory boundaries regardless of input manipulation. Until patches are applied, administrators should restrict network access to these services using firewalls or security groups, allowing connections only from trusted IP addresses and subnets. Additionally, implementing Web Application Firewalls with rules specifically designed to detect and block path traversal sequences can provide a temporary layer of defense against exploitation attempts while the underlying software is being updated.