Browsing: NetScaler

Security teams received urgent calls to disconnect servers before authorities confirmed critical zero-day flaws.

Suspected state-linked actors targeted critical vulnerabilities in the widely used platform, causing widespread disruption across Europe and North America.

Customers need to check systems for compromise prior to patching, because the security upgrade may not fully resolve an infected system.

Cybersecurity and Infrastructure Security Agencyis warning that this CVE numbered vulnerability (CVE-2026-19490) which has a CVSS score of 9.3, has been exploited, following an alert posted last week byPrevidianfounder and former WatchTowr head of threat intelligenceRyan Dewhurst. The defect affects all NetScaler ADC and NetScaler Gateway appliances configured as a gateway or an AAA virtual…