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In-depth CVE write-ups, vulnerability analysis, and security intelligence from the SecPod Research team.
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Open New NetScaler SAML Zero-Day Exploited in Targeted Attacks, Causes Denial of Service
vulnerability research
CVE Research
New NetScaler SAML Zero-Day Exploited in Targeted Attacks, Causes Denial of Service
Citrix has disclosed CVE-2026-88779, a high-severity memory overflow in NetScaler ADC and NetScaler Gateway that can cause denial of service when the appliance is configured as a SAML service provider or identity provider. Targeted attacks on unmitigated deployments have been observed. This article covers impact, affected versions, configuration checks, temporary Global Deny List guidance, and fixed builds.