CVE-2026-4368 | BDVDB-2026-321964 Detail

NetScalerADC

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

Impact#

Per CVSS v4.0: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

References#

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300

Exploit#

No public exploit known

History#

Version 12026-03-23Record published in the CVE List.
Version 22026-05-10Most recent update recorded in the CVE List.

Published

Published: 2026-03-23
Last modified: 2026-05-10

Vendor information

Vendor: NetScaler
Product: ADC

All NetScaler vulnerabilities

Score

7.7 High

EPSS

3.5%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 89.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Race Condition

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
14.1.66.54
Fixed
Not stated

Scoring System

CVSS v4.0

7.7 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	Present
Privileges Required	Low
User Interaction	None
Vulnerable System Confidentiality	High
Vulnerable System Integrity	High
Vulnerable System Availability	High
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).