Web Application Security Flaws: OWASP Top 10 and modern attack vectors — April 11, 2026

Published 11 Apr 2026 · vulnerability, exploit, web security, owasp, cybersecurity news

AGMP Partners The Current State of Web Application Security Flaws in Late 2025 As we navigate April 2026, the landscape of web application security continues its relentless evolution, marked by increasing sophistication in adversary tactics and a perennial struggle for organizations to keep pace. The core vulnerabilities haven't fundamentally changed since the last OWASP Top 10 refresh in 2021, but their exploitation methods and the velocity of attacks have intensified significantly. We’re observing a marked pivot towards supply chain compromises, leveraging vulnerable open-source components and misconfigurations in SaaS integrations as primary entry vectors. The "shift left" mantra has become more critical than ever, yet many development pipelines still lack mature security gates, leading to a constant deluge of findings for security operations teams. We're seeing a rise in API-native a