Next-Gen WAF agent 4.80.1 | Fastly Documentation

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July 8, 2026

ngwaf-agent changed

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

Prior change: Next-Gen WAF agent 4.79.0