OWASP Top 10 2025: What Enterprise Engineering Teams Should Actually Prioritize

What Changed in the 2025 Revision

The OWASP Top 10 doesn't update often — the last full revision was 2021 — so the confirmed 2025 release, based on analysis of a large body of CVE data and industry practitioner feedback, is worth enterprise engineering leadership actually reading rather than skimming as background noise.

Two entirely new categories entered the list, one category was folded into another, and Security Misconfiguration jumped three spots to become the second most common risk category — a signal about where real-world breaches are actually originating in 2026, not just a reshuffling exercise.

Two New Categories, and Why They Earned a Spot

Software Supply Chain Failures entered at #3, with the highest reported incidence rate of any category despite comparatively low formal CVE coverage — meaning these attacks are already happening in production faster than tooling has caught up to signature them. It reflects a pattern the industry has watched play out repeatedly: compromising a dependency, a build pipeline, or a third-party package is frequently easier than attacking the application directly.

Mishandling of Exceptional Conditions also entered as a new category, covering improper error handling, logic flaws, and fail-open behavior — situations where software behaves unsafely specifically because it wasn't designed to anticipate abnormal conditions, rather than because of a coding typo.

Broken Access Control Still Owns #1 — and Now Covers More

Broken Access Control keeps its position at #1 for the second cycle running, and the 2025 revision explicitly folds in object-level and function-level authorization failures — the exact patterns that show up constantly in API-heavy applications, where an endpoint checks that a user is logged in but not that they're authorized for the specific object they're requesting.

Server-Side Request Forgery, previously its own category, was absorbed into Broken Access Control due to overlapping attack patterns, and Vulnerable and Outdated Components was folded into the new Software Supply Chain category with considerably broader scope than before.

What Actually Moved, and What That Says About Where Attacks Are Happening

Security Misconfiguration rising from fifth to second place is arguably the most operationally relevant change for enterprise teams, because it reflects how much application security risk now originates in deployment and infrastructure configuration rather than application code itself — default credentials left in place, unnecessary debug endpoints reachable in production, cloud storage buckets left open, infrastructure-as-code templates granting broader permissions than intended.

Meanwhile Cryptographic Failures dropped from second to fourth and Injection dropped to fifth — not because either stopped mattering, but because industry-wide TLS adoption and more mature secure coding practices measurably reduced their real-world incidence relative to newer, faster-growing risk categories.

Where Enterprise Teams Should Focus First, Realistically

For an enterprise engineering team without unlimited security headcount, the realistic prioritization is: audit infrastructure-as-code and deployment pipelines for default configurations and unnecessary exposure first, since Security Misconfiguration's jump to #2 is the single most actionable, highest-leverage fix available; confirm that API authorization checks validate object and function-level permissions, not just authentication, given Broken Access Control's continued #1 position; and add supply chain visibility — dependency scanning tied to build pipelines — as a 2026 priority rather than treating it as a nice-to-have, given its highest-in-list incidence rate.

None of this replaces a full security program, but it's the difference between reacting to the list as an audit checklist and using it as an actual roadmap.

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