CVE-2026-4368
Race Condition leading to User Session Mixup
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
INFO
Published Date :
March 23, 2026, 9:17 p.m.
Last Modified :
March 24, 2026, 3:54 p.m.
Remotely Exploit :
Yes !
Source :
50a63c94-1ea7-4568-8c11-eb79e7c5a2b5
Affected Products
The following products are affected by CVE-2026-4368
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | HIGH | 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5 | ||||
| CVSS 4.0 | HIGH | 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5 |
Solution
- Update NetScaler ADC and Gateway software.
- Apply vendor patches for NetScaler appliances.
- Review appliance configuration for Gateway or AAA virtual server setup.
Public PoC/Exploit Available at Github
CVE-2026-4368 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-4368.
| URL | Resource |
|---|---|
| https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-4368 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-4368
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Full-scope external security scanner for Citrix NetScaler ADC/Gateway - 25 CVEs, 10 fingerprint vectors, IoC detection
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-4368 vulnerability anywhere in the article.
-
The Cyber Express
Hackers Circle Citrix NetScaler Flaw Within Hours of Disclosure
A newly disclosed critical vulnerability, CVE-2026-3055, affecting Citrix NetScaler appliances is already drawing attention from threat actors, with evidence of active reconnaissance efforts emerging ... Read more
-
Help Net Security
Critical NetScaler ADC, Gateway flaw may soon be exploited (CVE-2026-3055)
Citrix has fixed two vulnerabilities in NetScaler ADC and NetScaler Gateway, with the more serious flaw (CVE-2026-3055) potentially allowing attackers to extract active session tokens from the memory ... Read more
-
TheCyberThrone
CVE-2026-3055 – Citrix NetScaler Critical SAML IDP Memory Leak
March 24, 2026OverviewOn March 23, 2026, Citrix published a security advisory for a critical vulnerability affecting NetScaler ADC and NetScaler Gateway. CVE-2026-3055 is classified as an out-of-bound ... Read more
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The Hacker News
Citrix Urges Patching Critical NetScaler Flaw Allowing Unauthenticated Data Leaks
Citrix has released security updates to address two vulnerabilities in NetScaler ADC and NetScaler Gateway, including a critical flaw that could be exploited to leak sensitive data from the applicatio ... Read more
-
Daily CyberSecurity
Memory Leaks and Mixed Sessions: NetScaler’s Critical 9.3 CVSS Flaw Demands Immediate Action
On March 23, 2026, Cloud Software Group released a high-priority security bulletin addressing two vulnerabilities in NetScaler Gateway and NetScaler ADC. The flaws, which affect all physical and virtu ... Read more
The following table lists the changes that have been made to the
CVE-2026-4368 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5
Mar. 23, 2026
Action Type Old Value New Value Added 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 Added CVSS V4.0 AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added Reference https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300