CVE-2026-88779 Netscaler — Exploit & Vulnerability Details HIGH

Parameter	Value
CVSS	8.7 (HIGH)
Affected Versions	13.1 — 14.1-73.41
Fixed In	13.1-37.282
Type	CWE-119 (Buffer Overflow)
Vendor	Netscaler
Public PoC	Yes

Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28.

Attack Parameters

Attack Vector

Network

Can be exploited remotely

Attack Complexity

Low

Easy to exploit

Attack Requirements

None

No additional conditions

Privileges Required

None

No privileges needed

User Interaction

None

No user interaction needed

Impact Assessment

Confidentiality

None

No data leak

Integrity

None

No data modification

Availability

High

Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)

CWE-119 Buffer Overflow

Vulnerable Products 7

Configuration	From (including)	Up to (excluding)
Citrix Netscaler_Application_Delivery_Controller cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::fips:::*	`13.1`	`13.1-37.282`
Citrix Netscaler_Application_Delivery_Controller cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::ndcpp:::*	`13.1`	`13.1-37.282`
Citrix Netscaler_Application_Delivery_Controller cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::-:::*	`13.1`	`13.1-64.28`
Citrix Netscaler_Application_Delivery_Controller cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::-:::*	`14.1`	`14.1-73.41`
Citrix Netscaler_Application_Delivery_Controller cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::fips:::*	`14.1-66.68`	`<= 14.1-73.41`
Citrix Netscaler_Gateway cpe:2.3:a:citrix:netscaler_gateway::::::::	`13.1`	`13.1-64.28`
Citrix Netscaler_Gateway cpe:2.3:a:citrix:netscaler_gateway::::::::	`14.1`	`14.1-73.41`