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Vendor

Citrix NetScaler

8 known vulnerabilities.

Citrix NetScaler at a glance

Last 12 months
8
Critical · all time
3
Exploited · all time
2
Public exploit · all time
8
New vulnerabilities per month · last 12 months
0 5 10 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 0 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 0 vulnerabilities August 2026: 0 vulnerabilities September 2026: 8 vulnerabilities, 3 critical Sep October 2026: 0 vulnerabilities November 2026: 0 vulnerabilities
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Products

ADC 8 Gateway 8
All Critical High Medium Low Exploited only Public exploit

8 results · Feed

  • High 8.8
    CVE-2026-88778 Public exploit

    TCP Initial Sequence Number (ISN) prediction

    Predictable exact value from previous values 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-…

    Citrix NetScaler Gateway ADC Network devices
  • High 8.8
    CVE-2026-88777 Public exploit

    Memory overflow vulnerability leading to unpredictable or erroneous behavior or Denial of Service

    Memory overflow 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 befor…

    Citrix NetScaler ADC Gateway Network devices
  • High 8.8
    CVE-2026-88776 Public exploit

    Memory overflow vulnerability leading to unpredictable or erroneous behavior or Denial of Service

    Memory overflow 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 befor…

    Citrix NetScaler Gateway ADC Network devices
  • High 8.8
    CVE-2026-88775 Public exploit

    Memory overflow vulnerability leading to unpredictable or erroneous behavior or Denial of Service

    Memory overflow 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 l…

    Citrix NetScaler ADC Gateway Network devices
  • Critical 9.3
    CVE-2026-88773 Public exploit

    HTTP Request Smuggling

    Inconsistent interpretation of HTTP requests ('HTTP Request/Response smuggling') 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 a…

    Citrix NetScaler Gateway ADC Network devices
  • High 7.0
    CVE-2026-88774 Public exploit

    Feature policy bypass due to improper HTTP URL based expression usage

    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 feat…

    Citrix NetScaler ADC Gateway Network devices
  • Critical 9.5
    CVE-2026-88772 Exploited Public exploit EPSS 77%

    Memory overflow vulnerability leading to Remote Code Execution or Denial of Service

    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…

    Citrix NetScaler ADC Gateway Network devices
    KEV Sep 27, 2026
  • Critical 9.5
    CVE-2026-88771 Exploited Public exploit EPSS 82%

    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…

    Citrix NetScaler Gateway ADC Network devices
    KEV Sep 27, 2026