Citrix gives NetScaler admins another critical reason to patch

Citrix is urging customers to patch another critical NetScaler vulnerability after weeks of disclosures involving actively exploited flaws. CVE-2026-107406 affects NetScaler ADC and NetScaler Gateway and can lead to remote code execution (RCE) or denial of service (DoS). It carries a CVSS v4.0 score of 9.5. The affected configurations depend on the software version. Older builds are vulnerable when configured as a SAML (Security Assertion Markup Language) service provider (SP) or identity provid