importantSYS.SOURCE: The Hacker News• 2026-08-20T19:05:13+05:30

Critical Authentication Bypass Vulnerability in Citrix NetScaler ADC and Gateway Deployments

#citrix #vulnerability #network security #authentication

A critical authentication bypass vulnerability (CVE-2026-19490) affects specific Citrix NetScaler ADC and Gateway configurations, allowing unauthorized access under certain conditions. Citrix has released patches for impacted versions, emphasizing urgent updates for affected deployments.

Citrix has released updates to address two security flaws impacting NetScaler ADC and NetScaler Gateway deployments, including a critical-severity authentication bypass vulnerability.

According to the cloud computing and virtualization technology company, the issues affect customer-managed NetScaler ADC and NetScaler Gateway, including certain FIPS and NDcPP builds, as well as SecurAccess

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