CVE-2026-114379 in ekko-studio
Summary
by MITRE • 10/21/2026
A flaw has been found in EKKOLearnAI ekko-studio up to 1.0.6. This vulnerability affects the function saveGeneratedImages of the file packages/server/src/modules/studio/controllers/media.ts of the component Media Generation API. This manipulation of the argument output_path causes file inclusion. Remote exploitation of the attack is possible. Patch name: 1d42459c292f89e412f7f6243829e7fed2e85bf5. It is recommended to apply a patch to fix this issue.
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Analysis
by VulDB Data Team • 10/21/2026
The vulnerability identified in EKKOLearnAI ekko-studio versions up to 1.0.6 represents a critical security flaw within the Media Generation API component, specifically residing in the saveGeneratedImages function located at packages/server/src/modules/studio/controllers/media.ts. This issue is classified as an Arbitrary File Write or Path Traversal vulnerability, which allows an attacker to manipulate file system operations through improper validation of user-supplied input. The core technical failure lies in how the application handles the output_path argument passed during image generation requests. Instead of strictly validating that the provided path resides within a designated safe directory or adhering to expected naming conventions, the software directly incorporates this untrusted data into filesystem write operations without sufficient sanitization. This lack of rigorous input validation creates an opening for attackers to inject malicious path sequences that bypass intended directory boundaries.
From a technical perspective, this flaw aligns with CWE-22: Improper Limitation of a Pathname to a Restricted Directory and CWE-434: Unrestricted Upload of File with Dangerous Type if the manipulated path allows writing executable content or sensitive system files. By manipulating the output_path parameter, an attacker can traverse up the directory structure using sequences such as ../ or their URL-encoded equivalents. This capability enables the overwriting of arbitrary files on the server hosting the ekko-studio application. In a worst-case scenario, if the web service runs with elevated privileges or has write access to critical directories like /etc, /var/www/html, or application configuration folders, an attacker could overwrite sensitive configuration files, inject malicious scripts into public-facing directories for remote code execution, or corrupt essential system binaries leading to denial of service.
The operational impact of this vulnerability is severe due to the potential for remote exploitation without authentication in many default configurations, although specific access controls depend on the deployment context. If an attacker successfully exploits this flaw, they gain the ability to write files anywhere the application process has permissions. This can lead to full system compromise if combined with other vulnerabilities or misconfigurations. For instance, writing a web shell into a publicly accessible directory allows for persistent remote code execution. Alternatively, overwriting database configuration files could allow an attacker to redirect data exfiltration or disrupt service availability. The ability to write arbitrary files also facilitates the planting of backdoors that persist across application restarts, making remediation difficult without manual file system inspection and restoration from backups.
This vulnerability maps directly to several techniques within the MITRE ATT&CK framework. It is primarily associated with T1508: Exploitation for Session Hijacking if used in conjunction with session manipulation or more broadly under T1059: Command and Scripting Interpreter via uploaded scripts, and T1486: Data Encrypted for Impact if the written files are used to encrypt data. Furthermore, the act of writing arbitrary files falls under T1105: Ingress Tool Transfer when considering how an attacker might deliver malicious payloads onto the target system through this file write mechanism. The persistence gained from successful exploitation aligns with T1547: Boot or Logon Autostart Execution if configuration files are modified to trigger malicious processes on startup.
Mitigation strategies must prioritize immediate patching as indicated by the provided commit hash 1d42459c292f89e412f7f6243829e7fed2e85bf5, which addresses the input validation logic within the saveGeneratedImages function. Administrators should update to a version of ekko-studio that includes this patch immediately. In addition to applying the software fix, organizations should implement defense-in-depth measures such as configuring the application runtime environment with restricted file system permissions using principles of least privilege. This ensures that even if an attacker manages to exploit the vulnerability, they cannot write to critical system directories or sensitive configuration files. Deploying a Web Application Firewall can also help by filtering out common path traversal sequences in HTTP requests targeting the media generation endpoints before they reach the application logic. Regular security audits and static code analysis should be integrated into the development lifecycle to detect similar input validation flaws early, ensuring that all user-supplied data used for file operations is strictly validated against a whitelist of allowed characters and paths.