CVE-2026-93468 in OAKclouds
Summary
by MITRE • 09/18/2026
The OAKlouds developed by HGiga has an Arbitrary File Read vulnerability. Unauthenticated remote attackers can exploit Relative Path Traversal to read arbitrary system files.
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Analysis
by VulDB Data Team • 09/18/2026
HGiga's OAKcloud platform contains a critical security flaw classified as an arbitrary file read vulnerability, which allows unauthenticated remote actors to access sensitive data stored on the underlying operating system. This weakness stems from insufficient validation of user-supplied input within the application's request handling mechanisms, specifically manifesting through relative path traversal techniques. By manipulating directory navigation sequences such as dot-dot-slash patterns in HTTP parameters or file paths, an attacker can bypass intended access controls and traverse beyond the designated web root or application sandbox into restricted system directories. This lack of sanitization enables the retrieval of files that are not meant to be exposed to external users, fundamentally breaking the principle of least privilege and data confidentiality expected within enterprise cloud management environments.
The technical nature of this vulnerability aligns with Common Weakness Enumeration identifier CWE-22, which defines improper limitation of a pathname to a restricted directory. In practical terms, an attacker does not need valid credentials or prior authentication to exploit this flaw. The remote code execution capability is limited to file disclosure rather than direct command injection, but the impact remains severe because system files often contain configuration details, database connection strings, private keys, and other secrets that can be leveraged for further attacks. For instance, reading operating system password hashes, application logs containing session tokens, or internal network configurations can provide attackers with the necessary intelligence to escalate privileges or pivot laterally within a compromised infrastructure.
From an operational perspective, this vulnerability poses significant risks to organizational security postures by facilitating data exfiltration and reconnaissance activities. The ability to read arbitrary files without authentication lowers the barrier for entry significantly, allowing automated scanning tools to detect and exploit the flaw rapidly across internet-facing instances of OAKcloud. This can lead to unauthorized access to proprietary information, regulatory compliance violations such as GDPR or HIPAA breaches if personal data is exposed, and potential disruption of services if critical configuration files are corrupted during exploitation attempts. The lack of authentication requirement makes this a high-severity issue that demands immediate attention from security operations teams responsible for monitoring external attack surfaces.
To mitigate this risk, developers must implement strict input validation and canonicalization techniques to ensure that all file path inputs are resolved to absolute paths within an allowed directory structure before any filesystem access occurs. Implementing allowlists for permitted characters in filenames and rejecting requests containing traversal sequences like dot-dot-slash is essential. Additionally, deploying a Web Application Firewall with rules specifically tuned to detect relative path traversal attempts can provide a layer of defense-in-depth while patches are applied. It is also recommended to enforce principle of least privilege by running the application process under a restricted user account that lacks read permissions for sensitive system directories. Regular security audits and static code analysis focused on file handling functions will help prevent similar vulnerabilities in future releases, ensuring alignment with industry standards such as OWASP Top 10 guidelines regarding broken access control.