CVE-2026-15724 in ShareFile Storage Zones Controller
Summary
by MITRE • 07/21/2026
In Progress ShareFile Storage Zones Controller versions prior to 5.12.5 and 6.0.2, an authenticated administrative user can exploit a path traversal vulnerability to read arbitrary files from the server filesystem, write files to arbitrary directories, or determine whether specific files exist on the server.
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Analysis
by VulDB Data Team • 07/21/2026
The vulnerability identified in ShareFile Storage Zones Controller versions prior to 5125 and 602 represents a critical path traversal flaw that enables authenticated administrative users to bypass normal file access controls and execute unauthorized operations on the underlying filesystem. This security weakness stems from insufficient input validation and sanitization within the application's file handling mechanisms, allowing maliciously crafted requests to manipulate file paths and gain access to sensitive system resources.
The technical implementation of this vulnerability operates through improper normalization and validation of user-supplied file path parameters. When an administrative user submits requests containing specially crafted path traversal sequences such as ../ or ..\, the application fails to adequately sanitize these inputs before processing file operations. This deficiency creates an attack vector where threat actors can navigate beyond the intended directory boundaries and access files that should remain restricted. The vulnerability manifests across multiple operational capabilities including arbitrary file reading, unauthorized file writing to arbitrary directories, and file existence enumeration.
From an operational impact perspective, this vulnerability poses significant risks to organizations relying on ShareFile Storage Zones Controller for document management and storage services. An authenticated attacker with administrative privileges can extract sensitive configuration files, database credentials, application source code, and other confidential data that may contain authentication tokens, encryption keys, or proprietary information. The ability to write arbitrary files provides potential for persistence mechanisms and privilege escalation attacks within the compromised environment.
The vulnerability aligns with CWE-22 Path Traversal and follows patterns consistent with ATT&CK technique T1078 Valid Accounts, where attackers leverage legitimate administrative credentials to exploit application-level weaknesses. Organizations may experience data breaches, compliance violations, and operational disruption when this vulnerability is exploited. The impact extends beyond immediate data compromise to include potential lateral movement within networks and establishment of persistent backdoors through file injection techniques.
Effective mitigation strategies include applying the vendor-provided patches for versions 5125 and 602, implementing comprehensive input validation controls for all file path parameters, deploying web application firewalls with path traversal detection capabilities, and establishing principle of least privilege access controls. Additional protective measures involve regular security assessments, monitoring for anomalous file access patterns, and ensuring that administrative accounts operate under strict audit trails to detect unauthorized activities. Organizations should also consider implementing automated vulnerability scanning tools that can identify similar path traversal vulnerabilities in other applications within their infrastructure.