Common SaaS Vulnerabilities: Penetration Testing Findings in 2025

A practical look at the common SaaS vulnerabilities pentests uncover across APIs, tenants, services, and authorization flows.
Common Penetration Testing Findings: What Security Assessments Reveal

Which vulnerabilities do penetration tests find most often? This article breaks down the most common penetration testing findings observed in 2025, including sensitive data exposure, improper access control, input validation flaws, and other recurring security issues.