Vulnerabilidades do Citrix Netscaler Gateway

CVE-2026-88779 Alta · 7.5 KEV Alta · 51 CWE-119 04/10/2026

Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability

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.

CVE-2026-88771 Crítica · 9.8 KEV Alta · 64 Exploit público CWE-20 27/09/2026

Citrix NetScaler Improper Input Validation Vulnerability

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.

CVE-2026-88772 Alta · 8.1 KEV Alta · 57 Exploit público CWE-119 27/09/2026

Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability

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 Remote Code Execution or Denial of Service

CVE-2026-19490 Crítica · 9.8 KEV Alta · 69 Exploit público CWE-288 19/08/2026

Citrix NetScaler Authentication Bypass Using an Alternate Path or Channel Vulnerability

Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21.

CVE-2026-8655 Crítica · 9.8 CWE-119 30/06/2026

Multiple Memory overflow vulnerabilities leading to unpredictable or erroneous behavior and Denial of Service

Multiple Memory overflow vulnerabilities in NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if NetScaler ADC is configured as an LB of type Oracle OR NetScaler ADC is configured as a DNS Proxy OR NetScaler ADC is configured as a DNS recursive resolver deployment

CVE-2026-8451 Alta · 7.5 CWE-125 30/06/2026

Insufficient input validation leading to memory overread

Insufficient input validation in NetScaler ADC and NetScaler Gateway leading to memory overread if NetScaler ADC or NetScaler Gateway is configured as a SAML IDP

CVE-2026-8452 Crítica · 9.8 KEV Alta · 63 Exploit público CWE-119 30/06/2026

Citrix NetScaler ADC and NetScaler Gateway Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability

Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server

CVE-2026-13474 Alta · 7.5 CWE-401 30/06/2026

Denial of service via malformed HTTP/2 requests

Denial of service via malformed HTTP/2 requests in NetScaler ADC and NetScaler Gateway if HTTP/2 is enabled in HTTP Profile and associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler

CVE-2026-10817 Alta · 7.5 CWE-125 30/06/2026

Insufficient input validation leading to memory overread

Insufficient input validation leading to memory overread in NetScaler ADC and NetScaler Gateway if the TCP TimeStamp is enabled in TCP Profile and is associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler

CVE-2026-10816 Alta · 7.5 CWE-610 30/06/2026

Arbitrary File Read (Unauthenticated)

Arbitrary File Read (Unauthenticated) in NetScaler ADC and NetScaler Gateway if the access to NSIP, Cluster Management IP or SNIP with management access is enabled

CVE-2026-3055 Crítica · 9.8 KEV Urgente · 82 Exploit público CWE-125 23/03/2026

Citrix NetScaler Out-of-Bounds Read Vulnerability

Insufficient input validation in NetScaler ADC and NetScaler Gateway when configured as a SAML IDP leading to memory overread

CVE-2025-7775 Crítica · 9.8 KEV Alta · 66 Exploit público CWE-119 26/08/2025

Citrix NetScaler Memory Overflow Vulnerability

Memory overflow vulnerability leading to Remote Code Execution and/or Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server (OR) NetScaler ADC and NetScaler Gateway 13.1, 14.1, 13.1-FIPS and NDcPP: LB virtual servers of type (HTTP, SSL or HTTP_QUIC) bound with IPv6 services or servicegroups bound with IPv6 servers (OR) NetScaler ADC and NetScaler Gateway 13.1, 14.1, 13.1-FIPS and NDcPP: LB virtual servers of type (HTTP, SSL or HTTP_QUIC) bound with DBS IPv6 services or servicegroups bound with IPv6 DBS servers (OR) CR virtual server with type HDX

CVE-2025-6543 Crítica · 9.8 KEV Alta · 65 Exploit público CWE-119 25/06/2025

Citrix NetScaler ADC and Gateway Buffer Overflow Vulnerability

Memory overflow vulnerability leading to unintended control flow and Denial of Service in NetScaler ADC and NetScaler Gateway when configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server

CVE-2025-5777 Alta · 7.5 KEV Urgente · 87 Exploit público Ransomware CWE-908 17/06/2025

Citrix NetScaler ADC and Gateway Out-of-Bounds Read Vulnerability

Insufficient input validation leading to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server

CVE-2023-6549 Alta · 7.5 KEV Alta · 63 Exploit público CWE-119 17/01/2024

Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability

Improper Restriction of Operations within the Bounds of a Memory Buffer in NetScaler ADC and NetScaler Gateway allows Unauthenticated Denial of Service and Out-Of-Bounds Memory Read

CVE-2023-6548 Alta · 8.8 KEV Alta · 54 CWE-94 17/01/2024

Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability

Improper Control of Generation of Code ('Code Injection') in NetScaler ADC and NetScaler Gateway allows an attacker with access to NSIP, CLIP or SNIP with management interface to perform Authenticated (low privileged) remote code execution on Management Interface.

CVE-2023-4966 Alta · 7.5 KEV Urgente · 99 Exploit público Ransomware CWE-119 10/10/2023

Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability

Sensitive information disclosure in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA  virtual server.

CVE-2023-3519 Crítica · 9.8 KEV Urgente · 100 Exploit público Ransomware CWE-94 19/07/2023

Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability

Unauthenticated remote code execution