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Citrix NetScaler: Citrix NetScaler Authentication Bypass Using an Alternate Path or Channel Vulnerability

Info Listed in CISA KEV
CVECVE-2026-19490
First seen2026-09-10 19:15 UTC
Disclosed2026-09-09 00:00 UTC
Last updated2026-09-10 19:15 UTC
Channel statusauto

Summary

Citrix NetScaler ADC and NetScaler Gateway contain an authentication-bypass vulnerability involving an alternate path or channel. When the NetScaler appliance is configured as an AAA virtual server or as a Gateway (SSL VPN, ICA Proxy, CVPN, or RDP Proxy), an unauthenticated remote threat actor may be able to bypass authentication.

In-depth triage

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Affected products

  • Citrix:NetScaler

Sources

  • CISA KEV DATABASE

Original Links

Timeline

  1. kev_ingest CISA KEV