Penetration Testing Report for The Tor Project

This document is a penetration testing report detailing the findings from a security audit conducted on various components of The Tor Project. The audit was carried out by 7ASecurity over a period of 22.85 working days in July and August 2025. The report outlines identified vulnerabilities and provides hardening recommendations. It includes a comprehensive list of vulnerabilities categorized by severity, along with technical descriptions and proof-of-concept examples. The findings are organized into sections that cover the scope of the audit, identified vulnerabilities, and recommendations for improving security posture. The report concludes with an analysis of the overall security status of the tested components, emphasizing the importance of addressing the identified issues to enhance the security of the Tor Project's offerings. The methodology employed was a whitebox approach, allowing the auditors access to source code and documentation to facilitate a thorough review.