CVE-2026-6105

Perfree · go-fastdfs-web

A security vulnerability has been identified in the Perfree go-fastdfs-web application, affecting all versions up to 1.

Executive summary

An unpatched security vulnerability in Perfree go-fastdfs-web versions up to 1 presents a significant risk of unauthorized system access.

Vulnerability

This vulnerability represents a security flaw within the go-fastdfs-web application. While specific technical details are sparse, such flaws in web interfaces frequently involve improper access control or input validation, potentially allowing for unauthenticated interaction with the underlying file system.

Business impact

The CVSS score of 7.3 indicates a high risk to the availability and integrity of the file storage service. Exploitation could lead to unauthorized file modification, deletion, or administrative control over the storage management interface, resulting in severe operational disruption.

Remediation

Immediate Action: Restrict access to the go-fastdfs-web interface to trusted internal networks and monitor for official vendor patches.

Proactive Monitoring: Review application access logs for unusual administrative activity or unauthorized file access requests.

Compensating Controls: Deploy a Web Application Firewall (WAF) with strict rules to intercept and block abnormal HTTP requests directed at the management interface.

Exploitation status

Public Exploit Available: false

Analyst recommendation

Given the lack of a clear patch, organizations should apply strict network-level access controls to isolate the go-fastdfs-web management interface. Continue to monitor the vendor for the release of an update that addresses this vulnerability and apply it as soon as it becomes available.