Web Security in 2026: The Stakes Are Higher Than Ever Web application security vulnerabilities have real consequences: user data exposure, financial loss, regulatory penalties under GDPR and CCPA, and reputational damage that can end a startup. The OWASP Top 10 — the Open Web Application Security Project's list of the most critical web application security risks — provides a framework for understanding and addressing the most impactful vulnerability categories. Understanding these vulnerabilitie