TL;DR Citrix has assigned Citrix NetScaler CVE-2026-88779 to the SAML issue behind recent appliance reboots. The company confirms attackers are exploiting the memory overflow flaw in the wild. Fixed builds 14.1-73.41 and 13.1-64.28 are now available. Why It Matters This week, admins in a Reddit thread on NetScaler attacks after patching described internet-facing appliances rebooting over and over. Many of those devices already ran 14.1-73.37, the build that fixed September's NetScaler zero-days.