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CVE-2026-88774: Vulnerability in Citrix NetScaler ADC

0
High
VulnerabilityCVE-2026-88774cvecve-2026-88774
Published: 09/27/2026 (09/27/2026, 16:14:02 UTC)
Source: CVE Database V5
Vendor/Project: Citrix NetScaler
Product: ADC

Description

Vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to a feature policy bypass due to improper HTTP URL based expression usage.

CVSS v4.0

Score 7.0high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
Low
Vuln. Integrity
Low
Vuln. Availability
None
Subsq. Confidentiality
High
Subsq. Integrity
High
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:H/SI:H/SA:N

Affected software

Citrix NetScaler

ADC

Affected versions
>=0 <14.1-73.37>=0 <13.1-64.23=0

Citrix NetScaler

Gateway

Affected versions
>=0 <14.1-73.37>=0 <13.1-64.23

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/27/2026, 16:47:44 UTC

Technical Analysis

This vulnerability in Citrix NetScaler ADC and Gateway arises from improper usage of HTTP URL based expressions, leading to a feature policy bypass. Affected versions include ADC before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway before 14.1-73.37 and before 13.1-64.23. The CVSS 4.0 vector indicates the vulnerability can be exploited remotely without user interaction but requires partial attack prerequisites. The flaw could allow an attacker to bypass configured feature policies, potentially impacting security controls.

Potential Impact

Successful exploitation could allow an unauthenticated attacker to bypass feature policies on affected Citrix NetScaler ADC and Gateway devices. This may lead to unauthorized access or actions that are normally restricted by these policies. The vulnerability has a high severity rating with a CVSS score of 7.0, reflecting significant security impact but no direct evidence of active exploitation in the wild.

Mitigation Recommendations

No explicit patch or remediation information is provided in the input data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is applied, review and tighten feature policy configurations and monitor for unusual activity related to HTTP URL expressions.

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Technical Details

Data Version
5.2
Assigner Short Name
NetScaler
Date Reserved
2026-09-10T07:14:57.369Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6ab9455ef7a7c5410638dcfc

Added to database: 09/27/2026, 16:33:34 UTC

Last enriched: 09/27/2026, 16:47:44 UTC

Last updated: 09/28/2026, 02:48:44 UTC

Views: 12

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