CVE-2026-58075 in ONE
Summary
by MITRE • 08/04/2026
A vulnerability allowing an unauthenticated attacker to read arbitrary files from the host, which can be further leveraged toescalate privileges locally.
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Analysis
by VulDB Data Team • 08/04/2026
This vulnerability represents a critical security flaw that enables unauthenticated remote attackers to access arbitrary files on the host system, potentially leading to local privilege escalation. The flaw typically manifests in applications or services that improperly handle file path traversal mechanisms or lack adequate authentication checks for file access operations. Such vulnerabilities often arise from insufficient input validation where user-supplied data is directly used in file system operations without proper sanitization or authorization verification.
The technical implementation of this vulnerability commonly involves improper handling of file path parameters, where attackers can manipulate input to traverse directory structures and access files outside the intended scope. This may occur through techniques such as null byte injection, directory traversal sequences like ../, or improper validation of file paths before processing. The vulnerability aligns with CWE-22 (Improper Limitation of a Pathname to a Restricted Directory) and CWE-73 (External Control of File Name or Path) classifications, which specifically address inadequate restrictions on file system access.
From an operational impact perspective, this vulnerability creates a severe risk landscape where attackers can potentially access sensitive configuration files, credential stores, application source code, database files, and other critical system artifacts. The ability to read arbitrary files provides attackers with valuable reconnaissance information that can be used to identify system components, extract authentication credentials, discover application logic, and locate additional vulnerabilities. This initial foothold often serves as a launching point for further exploitation attempts.
The privilege escalation aspect emerges when the read access allows attackers to obtain information about system users, group memberships, or file permissions that can be leveraged to gain elevated privileges. Attackers may access shadow files, password hashes, or other system-level data that enables them to perform credential brute force attacks or exploit additional weaknesses in the system. This vulnerability frequently maps to ATT&CK technique T1083 (File and Directory Discovery) and T1566 (Phishing for Information) within the MITRE ATT&CK framework.
Mitigation strategies should focus on implementing proper input validation, enforcing strict access controls, and applying principle of least privilege concepts. Organizations must ensure that all file access operations validate user inputs, implement proper authentication checks, and restrict file system access to authorized users only. Additionally, implementing defensive measures such as file system hardening, regular security audits, and intrusion detection systems can help identify and prevent exploitation attempts. Regular patch management and security testing are essential components of a comprehensive defense strategy against this class of vulnerabilities.