CVE-2026-85409 in Quality Management
Summary
by MITRE • 09/04/2026
A vulnerability was identified in Eleveo Quality Management 9.7.0. The affected element is the function QuestionnaireService.runDataExportNow of the component Questionnaire Service. Such manipulation of the argument file_name leads to path traversal. The attack may be performed from remote. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 09/04/2026
The vulnerability identified within Eleveo Quality Management version 9.7.0 represents a critical security flaw located specifically within the Questionnaire Service component, affecting the function runDataExportNow. This issue is classified as a path traversal vulnerability, which falls under the Common Weakness Enumeration category CWE-22: Improper Limitation of a Pathname to a Restricted Directory. The core technical failure stems from insufficient validation and sanitization of user-supplied input, specifically the file_name argument passed to this function. When an attacker provides a maliciously crafted filename containing directory traversal sequences such as dot-dot-slash or their encoded variants, the application fails to properly restrict the output location. Instead of confining the export operation to the designated secure directory structure, the system interprets these sequences and writes files to arbitrary locations on the underlying file system. This lack of input validation allows an attacker to manipulate the intended path, effectively bypassing access controls that are meant to protect sensitive data or prevent overwriting critical system files.
From a technical perspective, this flaw enables remote code execution scenarios depending on how the exported files are subsequently processed by the server. If the application serves these exported files directly via HTTP without further validation, an attacker could potentially upload web shells or malicious scripts into directories that are accessible to the web server. Even if direct script execution is not possible due to file type restrictions, the ability to write arbitrary files can lead to information disclosure by overwriting configuration files, log rotation mechanisms, or other sensitive data stores. The vulnerability is exploitable remotely, meaning an attacker does not need prior authentication or physical access to the network infrastructure hosting Eleveo Quality Management. This remote exploitability significantly increases the risk profile of the vulnerability, as it can be leveraged from any location with internet connectivity against exposed instances of the software.
The operational impact of this vulnerability is severe for organizations relying on Eleveo for quality management processes. Successful exploitation could result in a complete compromise of the server's integrity and confidentiality. Attackers may use this entry point to exfiltrate sensitive customer data, intellectual property, or proprietary business logic stored within exported questionnaires and reports. Furthermore, if the application runs with elevated privileges, an attacker might achieve full control over the operating system, allowing them to install backdoors, launch lateral movement attacks against other systems on the internal network, or disrupt service availability by corrupting critical files. The fact that a public exploit is available amplifies this risk considerably. Automated scanning tools and opportunistic attackers frequently utilize publicly known exploits to compromise vulnerable systems at scale, meaning organizations running unpatched versions of Eleveo Quality Management 9.7.0 are likely already under active threat from automated botnets seeking easy entry points into their networks.
Mitigation strategies must address both the immediate technical flaw and broader security posture improvements. The primary remediation is to apply any available patches or updates provided by the vendor that specifically fix the input validation logic in the QuestionnaireService.runDataExportNow function. Since the vendor has not responded to disclosure attempts, organizations should consider this a high-risk scenario requiring alternative defensive measures if an official patch cannot be obtained promptly. Implementing strict file path canonicalization and ensuring that all output paths are resolved against a predefined root directory before any write operations can help mitigate the immediate risk of path traversal. Additionally, deploying Web Application Firewalls with rulesets tuned to detect common path traversal patterns such as ../ or %2e%2e/ may provide an additional layer of defense by blocking malicious requests at the network perimeter. It is also advisable to restrict file system permissions so that the application process runs under a least-privilege account, limiting the damage if exploitation occurs. Regular vulnerability assessments and penetration testing should be conducted to identify similar weaknesses in other components of the Eleveo suite or related integrations.
This incident highlights the importance of vendor responsiveness and secure development lifecycles. The lack of response from the vendor leaves customers exposed during a critical window where exploits are public. Organizations should review their software supply chain risk management practices, ensuring that dependencies on third-party applications include clear expectations for security support timelines. In the absence of timely patches, isolating vulnerable services within segmented network zones can reduce the blast radius of any successful compromise. Monitoring server logs for unusual file system write operations or requests containing traversal characters can aid in early detection and incident response efforts. Ultimately, addressing this vulnerability requires a combination of immediate technical controls to block exploitation vectors and strategic planning to manage risks associated with unsupported software components.