CVE-2026-62066 in Volos Plugin
Summary
by MITRE • 10/10/2026
Unauthenticated Local File Inclusion in Volos <= 1.2 versions.
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Analysis
by VulDB Data Team • 10/10/2026
The vulnerability identified as an unauthenticated local file inclusion flaw within Volos versions prior to or equal to 1.2 represents a critical security deficiency that allows attackers to read arbitrary files from the underlying server operating system without requiring any form of authentication. This type of vulnerability typically arises when an application fails to properly validate user-supplied input before using it as part of a file path operation, such as including a PHP script or loading a configuration file. In the context of Volos, which is often utilized for managing virtualization environments and cloud infrastructure, this flaw exposes sensitive system resources that are not intended for public access. The absence of an authentication gate means that any remote actor with network connectivity to the service can exploit this weakness, significantly lowering the barrier to entry for malicious actors compared to vulnerabilities requiring valid credentials.
From a technical perspective, local file inclusion (LFI) exploits weaknesses in how dynamic content is loaded into web applications or management interfaces. When Volos processes requests containing manipulated parameters related to file paths, it likely concatenates these inputs directly with base directory strings without sanitizing special characters like dot-dot-slash sequences. This allows an attacker to traverse the filesystem hierarchy and access files located outside of the intended document root. The impact is severe because many server configurations store sensitive data in accessible locations, including database configuration files containing plaintext passwords, private keys for SSL/TLS certificates, system logs revealing internal network topology, or even source code that may contain further logic flaws. By reading these files, an attacker can gather intelligence necessary for subsequent attacks, such as credential stuffing, privilege escalation, or deploying web shells if write permissions are also misconfigured on the server.
This vulnerability aligns closely with Common Weakness Enumeration identifier CWE-22, which describes Improper Limitation of a Pathname to a Restricted Directory, and is often associated with CWE-98 in cases where the inclusion leads to remote code execution through crafted file contents if the server interprets included files as executable scripts. In terms of offensive security frameworks, this behavior maps to MITRE ATT&CK technique T1083, which covers File and Directory Discovery, allowing adversaries to map out the target environment for further exploitation. The lack of authentication places this in a high-risk category under standard risk assessment models because it enables unauthorized data exfiltration from systems that may be exposed directly to untrusted networks or the internet.
Mitigation strategies must prioritize immediate patching by upgrading Volos to version 1.3 or later, where these input validation mechanisms have been corrected. In scenarios where an upgrade is not immediately feasible, administrators should implement strict web application firewall rules to block requests containing path traversal sequences such as ../ in parameters associated with file operations. Additionally, ensuring that the web server runs under a restricted user account with minimal filesystem permissions can limit the scope of files accessible through this flaw. Regular auditing of input validation logic and implementing allow-listing for acceptable file names rather than relying on deny-lists are essential long-term practices to prevent similar inclusion vulnerabilities in future software updates or custom integrations within the Volos ecosystem.