WAF - WAF Release - 2026-10-01 - Emergency

This update provides immediate defense against a vulnerability affecting Citrix NetScaler ADC and Gateway appliances, deploying protection against improper input validation vectors. Key Findings CVE-2026-88771: An improper input validation vulnerability affecting Citrix NetScaler ADC and Gateway allows an unauthenticated attacker to execute arbitrary commands. Impact We strongly recommend that administrators apply the latest versions to fully secure origin servers.