If you’re still treating the OWASP Top 10 as a compliance checkbox, the last month should change your mind. Real-world incidents from May and June 2026 map almost perfectly onto its categories—and they’re not theoretical. They’re actively exploited, widely publicized, and hitting production systems.

Take A07: Identification and Authentication Failures. Microsoft Exchange Server is under fire again with CVE-2026-42897, an actively exploited zero-day that lets unauthenticated attackers gain privileged access. Around the same time, Cisco’s SD-WAN solution fell to CVE-2026-20182—another auth-bypass flaw enabling full system compromise without credentials. These aren’t edge cases; they’re headline-grabbing, enterprise-wide risks.

A03: Injection remains stubbornly prevalent. The Synack 2025 AI-driven trends report found a spike in critical SQL injection findings across tech firms, alongside persistent remote code execution flaws. AI coding assistants may speed up development, but they’re not fixing input validation—and attackers know it.

Then there’s A08: Software and Data Integrity Failures, where supply-chain attacks dominate. A malicious Bitwarden CLI package slipped onto npm, stealing cloud credentials after a compromised GitHub Action. Separately, PamDOORa—a Linux PAM backdoor—is now being sold on underground forums. Both represent trusted software turned weaponized. If your SCA pipeline doesn’t catch post-publish tampering, you’re exposed.

Legacy code isn’t safe either. A06: Vulnerable and Outdated Components got a stark reminder when researchers uncovered an 18-year-old heap buffer overflow in NGINX enabling unauthenticated RCE. That’s not a new flaw—it’s one that lingered because no one audited the stack.

A10: Server-Side Request Forgery (SSRF) resurfaced with CVE-2026-45401 in Open WebUI, which bypasses URL validation by following redirects to internal services. And A05: Security Misconfiguration showed up in U.S. gas stations, where internet-facing ATG systems with no authentication let attackers spoof fuel-level displays.

So what do you do?

First, map your OWASP Top 10 coverage to actual threat intelligence. Don’t just run SAST/DAST—correlate findings with CISA KEV entries and recent exploit trends. Second, treat supply-chain integrity as non-negotiable: sign artifacts, verify provenance, and monitor for post-deployment drift. Third, prioritize runtime behavior monitoring over static scans alone, especially for AI-augmented apps where logic flaws evade traditional tools.

The OWASP Top 10 isn’t outdated—it’s being stress-tested daily. Your job is to stop treating it like a poster on the wall and start using it as a living risk framework.