CVE-2026-114259 in file-management-system-php
Summary
by MITRE • 10/21/2026
A flaw has been found in oretnom23 file-management-system-php up to 2e3c1ebe60f121e8df4fb3f544f0e9591d9a01e4. This affects the function save_files of the file admin_class.php. Executing a manipulation of the argument Upload can lead to unrestricted upload. It is possible to launch the attack remotely. The exploit has been published and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The project was informed of the problem early through an issue report but has not responded yet.
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Analysis
by VulDB Data Team • 10/21/2026
The vulnerability identified in oretnom23 file-management-system-php prior to commit 2e3c1ebe60f121e8df4fb3f544f0e9591d9a01e4 represents a critical security flaw within the application's administrative interface. Specifically, the defect resides in the save_files function located in the admin_class.php file. This component is responsible for handling file uploads from users with administrative privileges or access to that specific module. The core issue stems from insufficient validation and sanitization of the Upload argument passed during the file submission process. Because the system fails to adequately verify the integrity, type, or destination path of the uploaded content, an attacker can manipulate this input to bypass security controls designed to restrict file types or locations. This lack of rigorous input checking allows for unrestricted file uploads, a severe deviation from secure coding practices that are essential for maintaining the confidentiality and integrity of web applications.
From a technical perspective, this flaw aligns with CWE-434, which describes an Unrestricted Upload of File with Dangerous Type, as well as CWE-22, Insecure Directory Traversal, if path manipulation is involved in storing the uploaded files. The absence of strict allowlists for file extensions and the potential lack of proper separation between executable scripts and static assets create a high-risk environment. When combined with the ability to execute arbitrary code on the server through uploaded web shells or malicious scripts, this vulnerability effectively grants an attacker remote code execution capabilities. This is further compounded by the fact that the exploit has already been published in public repositories, significantly lowering the barrier for entry for less sophisticated threat actors who can leverage existing proof-of-concept tools rather than developing custom exploits from scratch.
The operational impact of this vulnerability is substantial due to its remote nature and the elevated privileges typically associated with administrative functions. An attacker located anywhere on the network or internet can initiate a request to the affected endpoint, inject malicious payloads via the Upload parameter, and achieve persistent access to the underlying server infrastructure. Once executed, these uploaded files can be used to exfiltrate sensitive data, install backdoors for future access, pivot into other parts of the internal network, or disrupt service availability by consuming resources or corrupting critical system files. The rolling release model employed by this project means that version numbers are not static indicators of vulnerability status; instead, security relies on continuous delivery pipelines and timely patch deployment. However, since the project maintainers have been informed via an issue report but have yet to respond, users currently running any version up to the specified commit remain exposed without a clear path to mitigation other than manual code review or temporary access control restrictions.
To mitigate this risk in the absence of an official update, administrators should implement strict input validation on all file upload endpoints, ensuring that only expected file types are accepted and that filenames are sanitized to prevent directory traversal attacks. It is also advisable to store uploaded files outside of web-accessible directories where possible, or to configure the web server to deny execution permissions for specific directories containing user-uploaded content. Additionally, deploying a Web Application Firewall with rules tailored to detect common upload-based attack patterns can provide an additional layer of defense. Organizations should monitor official channels and issue trackers closely for any future responses from the maintainers regarding this reported flaw. Until such guidance is available or patches are released, limiting administrative access through strong authentication mechanisms and network segmentation remains a critical defensive measure to reduce the attack surface exposed by this unrestricted upload vulnerability.