Citrix has released emergency security updates for a NetScaler SAML zero-day vulnerability that attackers are actively exploiting. Tracked as CVE-2026-88779, the flaw affects customer-managed NetScaler ADC and NetScaler Gateway appliances and can cause denial of service, disrupting access to services that depend on these systems. The vulnerability carries a CVSS v4.0 score of 8.7 and […]
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