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vulnerabilityCVE-2026-88771

A remote code execution vulnerability exists due to improper input validation, which can allow an unauthenticated attacker to execute arbitrary commands

Improper input validation 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 an unauthenticated attacker to execute arbitrary commands.

Severity
9.5Critical
Exploitation evidence
Has exploited
Remediation
Fixed in 13.1-37.279

Affected software

CVSS (Common Vulnerability Scoring System)

Preferred assessment

Vector

Attack vector

Attack complexity

Privileges required

User interaction

Scope

Confidentiality impact

Integrity impact

Availability impact

Source assessments

EPSS (Exploit Prediction Scoring System)

Probability

Percentile

Model

Preferred remediation

Action