Vulnerability · Published Mar 23, 2026 · Assigned by NetScaler

CVE-2026-4368Race Condition leading to User Session Mixup

High 7.7

In plain English

A high-severity race condition in ADC from NetScaler. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.4% (higher than 89% of all known vulnerabilities).

Severity (CVSS 4.0)7.7High
Exploit odds (30 days)3.4%top 11.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

VendorProductVersions
NetScaler ADC 14.1.66.54
NetScaler Gateway 14.1.66.54

Weakness: CWE-362 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References