CVE-2026-88771: ADC vulnerability

Overview Sources History

What happened

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 versions

ADC: before 14.1-73.37 (patch); before 13.1-64.23 (patch); before 14.1-73.37 FIPS (patch); before 13.1.37.279 FIPS and NDcPP (patch) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

Apply vendor-provided updates or mitigations.
Review affected product exposure and access logs.

Public PoC references

RepositoryAuthorFirst seenReference

SploitusRemote code execution or DoS in Citrix NetScaler ADC and Gateway via DTLS memory overflow.murrez2026-09-27T20:26:11Verified murrez/CVE-2026-88772Remote code execution or DoS in Citrix NetScaler ADC and Gateway via DTLS memory overflow.murrez2026-09-27T20:26:11Verified SploitusScript to check indicators and attack paths for CVE-2026-88771 in Citrix Netscaler.SwiftSecur2026-09-29T14:29:40Verified SwiftSecur/CVE-2026-88771-HuntScriptScript to check indicators and attack paths for CVE-2026-88771 in Citrix Netscaler.SwiftSecur2026-09-29T14:29:40Verified SploitusExploit for Improper Input Validation in Citrix Netscaler Application Delivery Controller.emilstahl2026-10-01T10:40:55Verified emilstahl/pitscalerExploit for Improper Input Validation in Citrix Netscaler Application Delivery Controller.emilstahl2026-10-01T10:40:55Verified SploitusPre-auth RCE and memory overflow in Citrix NetScaler.leviathan-offsec2026-10-09T08:00:33Verified leviathan-offsec/lvx-vuln-researchPre-auth RCE and memory overflow in Citrix NetScaler.leviathan-offsec2026-10-09T08:00:33Verified

Corrections Report an issue

ADC vulnerability