CVE-2026-56089 in ObjectScale
Summary
by MITRE • 08/17/2026
Dell ObjectScale, versions prior to 4.3.0.1, contain(s) a Path Traversal vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Information disclosure.
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Analysis
by VulDB Data Team • 08/17/2026
The identified security flaw resides within Dell ObjectScale software packages released before version 4.3.0.1 and is classified as a path traversal vulnerability. This type of weakness typically arises when an application processes user-supplied input that includes file paths without adequately validating or sanitizing the data to ensure it remains within the intended directory structure. In this specific instance, the flaw allows for unauthorized access to files located outside the expected scope, which fundamentally compromises the integrity and confidentiality mechanisms built into the storage management platform. The vulnerability is categorized under CWE-22 Improper Limitation of a Pathname to a Restricted Directory, reflecting the failure to enforce strict boundaries on file system operations based on external input.
Exploitation of this defect requires an attacker who has already established local access to the affected system and possesses only low-level privileges. This prerequisite highlights that the vulnerability does not provide remote code execution or immediate elevation of privilege from a network-facing service, but rather serves as a mechanism for lateral movement or data exfiltration by users who have gained initial foothold within the operating environment. A malicious actor with such access can manipulate file path parameters to traverse up directory hierarchies using standard notation sequences, thereby accessing sensitive configuration files, logs, credentials, or other critical system resources that are not intended for public or low-privileged user consumption. The primary operational impact of this vulnerability is information disclosure, which can lead to the exposure of internal network topology, authentication tokens, encryption keys, or proprietary data stored within the ObjectScale environment.
From a threat modeling perspective aligned with MITRE ATT&CK frameworks, this scenario maps closely to techniques involving Local File Access and potentially Credential Dumping if sensitive files are retrieved. The ability to read restricted files can facilitate further attacks by providing attackers with intelligence necessary for privilege escalation or deeper infiltration of the infrastructure. For organizations utilizing Dell ObjectScale in production environments running versions prior to 4.3.0.1, immediate remediation is strongly advised. The recommended mitigation strategy involves upgrading the software to version 4.3.0.1 or later where this path traversal issue has been addressed through improved input validation and stricter file system access controls. Additionally, until patching can be implemented, administrators should enforce strict least-privilege policies on local accounts, monitor for unusual file access patterns using host-based intrusion detection systems, and ensure that sensitive data is encrypted at rest to mitigate the impact of potential information disclosure even if an attacker successfully exploits this flaw.