CVE-2026-15553 in Enterprise Cloud Database
Summary
by MITRE • 07/13/2026
Enterprise Cloud Database developed by Ragic has a Arbitrary File Upload vulnerability, allowing unauthenticated remote attackers to upload malicious files and make them available for users to download.
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Analysis
by VulDB Data Team • 07/13/2026
The vulnerability identified in Ragic's Enterprise Cloud Database represents a critical arbitrary file upload flaw that exposes organizations to significant security risks. This weakness allows unauthenticated remote attackers to bypass authentication mechanisms and directly upload malicious files to the system without proper authorization. The flaw stems from insufficient input validation and inadequate file type restrictions within the upload functionality, creating an attack vector that can be exploited from any network location without requiring valid credentials.
From a technical perspective, this vulnerability operates at the application layer and manifests as an insecure file handling mechanism where the system fails to properly validate uploaded files against a whitelist of acceptable formats. The absence of proper content type checking, file extension validation, and size limitations enables attackers to upload executable files, scripts, or malicious documents that can be subsequently accessed by legitimate users. This type of vulnerability is classified under CWE-434 which specifically addresses the insecure upload of code or files, making it a direct descendant of well-established security weaknesses in web applications.
The operational impact of this vulnerability extends beyond simple data compromise, as it creates multiple attack pathways for threat actors seeking to establish persistent access within organizational networks. Once malicious files are uploaded and executed by unsuspecting users, attackers can leverage these footholds to perform lateral movement, escalate privileges, or deploy additional malware components. The ability to make uploaded files available for download creates a persistent backdoor mechanism that can be exploited repeatedly over time, making the vulnerability particularly dangerous in enterprise environments where multiple users access shared databases.
Organizations utilizing Ragic's Enterprise Cloud Database should implement immediate mitigations including restricting file upload functionality to authenticated users only, implementing strict file type validation with server-side checks, and deploying web application firewalls to monitor and block suspicious upload attempts. The vulnerability aligns with several ATT&CK techniques including T1190 for exploit public-facing application and T1078 for valid accounts, making it a prime candidate for multi-stage attack campaigns. Additionally, organizations should conduct comprehensive security assessments to identify other potential file upload vulnerabilities within their infrastructure and establish proper monitoring protocols to detect unauthorized file uploads.
The broader implications of this vulnerability underscore the importance of secure coding practices and regular security testing in cloud database environments. This flaw demonstrates how seemingly simple functionality can create significant security exposure when proper input validation and access controls are not implemented. Organizations should consider implementing principle of least privilege for file upload operations, establishing automated scanning for uploaded content, and maintaining detailed audit logs of all file upload activities to ensure comprehensive threat detection capabilities.
Security teams must also recognize that this vulnerability enables several attack patterns commonly observed in enterprise environments, including the use of file upload vulnerabilities as initial compromise vectors. The ease of exploitation from unauthenticated access makes it particularly attractive to automated scanning tools and script kiddies who can quickly identify and exploit such weaknesses across multiple systems. Organizations should prioritize patch management for affected versions and implement network segmentation to limit the potential impact if exploitation occurs, while also ensuring that proper incident response procedures are established to handle potential compromises resulting from this vulnerability type.