CVE-2026-38360 Scanner

dash-uploader is widely used in various web applications as a package perfect for enhancing interface capabilities by enabling seamless file uploads. This software typically finds its utilization across enterprises and small businesses, updating their systems with enhanced file uploads capabilities and maintaining service delivery efficiency. Devoted to simplifying the data interchange, it's predominantly relied upon by developers intending to bridge tangible gaps within UI functionalities. Its adaptability extends usage beyond a single industry, effectively bringing notable changes in daily operational systems. Organizations invest in this tool to streamline work processes and eliminate entry complexities in their programming environments. With a focus on file uploading features, dash-uploader is a positive innovation in software packages to ease developers' journey in crafting efficient web user interfaces.

Arbitrary File Write via Path Traversal is a critical vulnerability that allows unauthorized users to write files on a server side path that they shouldn't have access to. This vulnerability, nestled within the software due to improper handling of user-supplied input, may lead to the underlying system being manipulated or controlled without authentication. Attackers can exploit this flaw by specifying a malicious path in the filename, leading to the overwriting of critical files on the server. By leveraging this flaw, attackers may execute arbitrary code, changing how the software performs or even reaching deeper into system functionalities. This pathway may be used to introduce malicious scripts or files, leading to longer-term exploitation aims with the possibility of unnoticed persistence. Such vulnerabilities are acute due to the severe risks they impose- most notably, maintaining unauthorized access even after attempts to rectify linked exposures.

The vulnerability exists within the HTTP request handler which improperly manages file paths, allowing unintended overwrites during file operations. The issue arises specifically from insufficient validation of the dash_uploader/httprequesthandler.py component being manipulated within HTTP POST requests that use multipart form data. Unsafe path sanitization permits attackers to append directory traversal elements such as '../' in a file upload process, redirecting the uploaded file to a different location on the server. This can lead to overwriting critical system files and executing unwanted scripts, descriptions, or commands without authorization. Exploiting the lack of boundary verification in filenames and paths, the system can be forced to accommodate invalid operations resulting in unauthorized code executions. This technical mishandling increases the risk of arbitrary code infiltration through simple, manipulated uploads.

The potential effects of exploiting this vulnerability are severe, including unauthorized code execution and potential full compromise of the affected system. If an attacker can upload and execute arbitrary files, they might take over the server, steal information, or install malware that disrupts operations. Malicious actors can manipulate the system for further attacks on other networks or phishing attempts. Guarding against such vulnerability exploitation is crucial, as it could lead to the exposure of sensitive data or pivotal control loss within critical infrastructure. Besides immediate impacts, such exposures enable attackers to maintain long-term access unnoticed, using the compromised site for secondary actions. This path traversal and file write vulnerability could lead to breaches proportional to the severity due to the uncontrolled manuscript operation into secured domains.

REFERENCES

• https://github.com/a1ohadance/CVE-2026-38360
• https://nvd.nist.gov/vuln/detail/CVE-2026-38360
• https://github.com/advisories/GHSA-3rf6-x59v-5jfv
• https://github.com/fohrloop/dash-uploader/issues/153