---
title: Next-Gen WAF agent 4.80.1
summary: null
url: >-
  https://www.fastly.com/documentation/reference/changes/2026/07/ngwaf-agent-4.80.1
---

- Fixed an issue introduced in 4.80.0 where the agent may not inspect traffic as expected under certain configurations.
- Upgraded to Golang 1.26.4
- Improved CMDEXE detection
- Improved TRAVERSAL detection
- Improved XSS detection
- Updated base GeoIP data: July 2026