CVE-2026-88771: citrix netscaler_application_delivery_controller, citrix netscaler_gateway

CVSS 9.8 (critical) · listed as exploited by CISA since 2026-09-27 · published 2026-09-27

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.

Affected products (NVD): citrix netscaler_application_delivery_controller, citrix netscaler_gateway

Fixed in (NVD): 13.1-64.23, 13.1.37.279, 14.1-73.37

Weakness: CWE-20

Source: NVD CVE-2026-88771

References

• https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697096
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88771

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