CWE-1230 — Vulnerability Class 26

CWE-1230 represents a critical information disclosure weakness where applications restrict direct access to sensitive resources but fail to sanitize associated metadata. Attackers typically exploit this by analyzing file properties, database logs, or API responses to extract hidden details such as author names, creation dates, or internal file paths. This metadata often reveals organizational structure or sensitive context that bypasses primary access controls. To mitigate this risk, developers must implement comprehensive data sanitization protocols that strip or anonymize metadata before exposing any resource externally. This includes configuring web servers to hide server signatures, using libraries that remove EXIF data from images, and ensuring database queries do not return unnecessary diagnostic information. Regular security audits and automated scanning tools should be employed to detect unintended metadata exposure, ensuring that only essential, non-sensitive data is transmitted to end-users.