CVE-2026-19489: NetScaler ADC

High severity, CVSS 8.8. EPSS: 3.2% chance of exploitation in the next 30 days.

Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21.

Affected products

• NetScaler ADC: from 14.1, up to and including 73.32; from 13.1, up to and including 63.21
• NetScaler Gateway: from 14.1, up to and including 73.32; from 13.1, up to and including 63.21

Published 2026-08-19. Last modified 2026-09-01.