CVE-2026-15624 in GoClaw
Summary
by MITRE • 07/14/2026
A vulnerability has been found in nextlevelbuilder GoClaw 3.13.3-beta.3. Affected by this vulnerability is the function bytePlusDownloadVideo of the file internal/tools/create_video_byteplus.go of the component invoke Endpoint. The manipulation of the argument output.video_url leads to server-side request forgery. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.
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Analysis
by VulDB Data Team • 07/14/2026
The vulnerability identified in nextlevelbuilder GoClaw 3.13.3-beta.3 represents a critical server-side request forgery flaw that resides within the bytePlusDownloadVideo function of the internal/tools/create_video_byteplus.go file. This issue specifically affects the invoke Endpoint component and demonstrates how improper input validation can lead to severe security implications. The vulnerability is triggered when an attacker manipulates the output.video_url argument, allowing malicious actors to initiate unauthorized requests from the vulnerable system to arbitrary external endpoints.
This particular flaw constitutes a server-side request forgery vulnerability that aligns with CWE-918, which specifically addresses server-side request forgery conditions where applications fail to properly validate or sanitize user-supplied URLs. The vulnerability operates by bypassing normal access controls and allowing the application to make requests to internal or external systems that would otherwise be inaccessible to an attacker. The attack vector is particularly concerning as it enables remote exploitation without requiring any special privileges or authentication within the target system.
The operational impact of this vulnerability extends beyond simple data exfiltration, potentially enabling attackers to perform reconnaissance activities against internal network resources, access sensitive information stored on internal servers, or even facilitate further attacks through compromised systems. The fact that public exploitation methods have been disclosed significantly increases the risk profile as malicious actors can readily implement this attack without requiring advanced technical skills. This vulnerability essentially transforms the vulnerable application into a potential proxy for attacking other systems within the network perimeter.
Security mitigation strategies should prioritize implementing strict input validation and sanitization of all user-supplied URLs, particularly those used in external service calls. Organizations should consider implementing network-level restrictions that prevent outbound connections to unauthorized destinations, while also deploying web application firewalls to detect and block suspicious request patterns. The implementation of proper access controls and the principle of least privilege should be enforced to limit the potential damage from successful exploitation attempts. Additionally, regular security assessments and code reviews focusing on external service integration points can help identify similar vulnerabilities before they can be exploited in production environments.
This vulnerability demonstrates how seemingly minor input validation gaps can create significant security risks, particularly when dealing with applications that interact with external services or APIs. The attack surface expands when applications fail to properly validate the destination of requests initiated by user inputs, creating opportunities for attackers to leverage legitimate application functionality against internal systems. Organizations should also consider implementing monitoring and logging mechanisms specifically designed to detect unusual outbound network activity that might indicate successful exploitation attempts.
The disclosure of exploit methods for this vulnerability emphasizes the importance of timely patch management and proactive security measures in protecting against known threats. Security teams must remain vigilant about public disclosures and ensure rapid deployment of fixes or workarounds to prevent exploitation of vulnerable systems. This particular flaw serves as a reminder of the critical need for comprehensive security testing during development phases, particularly around integration points that involve external service interactions and URL handling functionality. The vulnerability's classification under CWE-918 highlights the standardized recognition of this attack pattern, making it easier for security professionals to identify similar issues across different applications and systems.
Organizations utilizing GoClaw or similar applications should immediately assess their exposure to this vulnerability through comprehensive scanning and penetration testing activities. The remediation approach should include code modifications to properly validate and sanitize URL inputs, implementation of network segmentation controls, and establishment of incident response procedures specifically designed to handle server-side request forgery attacks. Regular security awareness training for development teams can also help prevent similar vulnerabilities from being introduced in future releases through better understanding of secure coding practices and input validation requirements.