NetScaler ADC and Gateway
CVE-2026-4368: Race Condition leading to User Session Mixup
Race Condition in NetScaler ADC and NetScaler Gateway when appliance is configured as Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server leading to User Session Mixup
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityHIGHCVSS 4.0 7.7
EPSS0.29%Chance of exploitation in 30 days
Public exploitNot tracked
FixNot yet
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| ADC 14.1 | See the advisory |
| Gateway 14.1 | See the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
Race Condition in NetScaler ADC and NetScaler Gateway when appliance is configured as Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server leading to User Session Mixup
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 11 Oct 2026.