Web Application Security Flaws: OWASP Top 10 and modern attack vectors — May 29, 2026

Published 29 May 2026 · vulnerability, exploit, web security, owasp, cybersecurity news

AGMP Partners The Current State of Web Application Security Flaws in Late 2025 As we navigate late 2025, the web application threat landscape has matured significantly, presenting a nuanced challenge that extends well beyond the foundational issues highlighted in the OWASP Top 10 2021. While SQL Injection (A03:2021) and Broken Access Control (A01:2021) remain perennial adversaries, the attack surface has fundamentally shifted with the pervasive adoption of API-driven architectures, serverless functions, and sophisticated client-side frameworks. My observations across numerous client engagements at AGMP Partners indicate a clear pivot by threat actors towards exploiting vulnerabilities within service mesh configurations, GraphQL endpoints, and increasingly, client-side rendering logic. We're seeing a decline in simpler, "spray and pray" injection attacks against traditional monolithic app