---
title: "CVE-2026-88771: Citrix NetScaler ADC & Gateway - Command Injection"
description: "Citrix NetScaler ADC and Gateway < 14.1-73.37, < 13.1-64.23 contain a command injection caused by improper input validation, letting unauthenticated attackers execute arbitrary commands remotely, exploit requires no authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-88771/
---

# CVE-2026-88771 Citrix NetScaler ADC & Gateway - Command Injection

Citrix NetScaler ADC and Gateway < 14.1-73.37, < 13.1-64.23 contain a command injection caused by improper input validation, letting unauthenticated attackers execute arbitrary commands remotely, exploit requires no authentication.

CVSS base score 9.8 /10

Critical

CISA KEV

Exploited in the wild

Public exploit

Proof of concept available

Authentication

Not required

EPSS

1.08% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-88771)

## Details

Type

Command Injection

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

27 September 2026

Updated

15 October 2026

Weakness

[CWE-20](https://cwe.mitre.org/data/definitions/20.html)

## Vendor fix

Upgrade to versions 14.1-73.37 or later and 13.1-64.23 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-88771](https://nvd.nist.gov/vuln/detail/CVE-2026-88771)
- [https://binarydefense.com/resources/blog/platypwned-when-a-citrix-0-day-lays-an-egg](https://binarydefense.com/resources/blog/platypwned-when-a-citrix-0-day-lays-an-egg)
- [https://asec.ahnlab.com/en/95733/](https://asec.ahnlab.com/en/95733/)
- [https://watchtowr.com/intelligence/post-exploitation-analysis-artifacts-citrix-netscaler-cve-2026-88771/](https://watchtowr.com/intelligence/post-exploitation-analysis-artifacts-citrix-netscaler-cve-2026-88771/)
- [https://www.esentire.com/blog/more-shells-than-a-seafood-buffet-tracking-citrix-netscaler-exploitation-activities-cve-2026-88771](https://www.esentire.com/blog/more-shells-than-a-seafood-buffet-tracking-citrix-netscaler-exploitation-activities-cve-2026-88771)
- [https://www.rapid7.com/blog/post/etr-zero-day-exploitation-of-citrix-netscaler-adc-and-gateway-cve-2026-88771-and-cve-2026-88772/](https://www.rapid7.com/blog/post/etr-zero-day-exploitation-of-citrix-netscaler-adc-and-gateway-cve-2026-88771-and-cve-2026-88772/)
- [https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2026-10-03&host\_type=src&vulnerability=cve-2026-88771](https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2026-10-03&host_type=src&vulnerability=cve-2026-88771)
- [https://www.levelblue.com/blogs/spiderlabs-blog/citrix-netscaler-cve-2026-88771-observed-exploitation-artifacts-and-hunt-indicators](https://www.levelblue.com/blogs/spiderlabs-blog/citrix-netscaler-cve-2026-88771-observed-exploitation-artifacts-and-hunt-indicators)
- [https://labs.watchtowr.com/oh-look-the-foot-gun-went-off-again-citrix-netscaler-preauth-command-injection-cve-2026-88771/](https://labs.watchtowr.com/oh-look-the-foot-gun-went-off-again-citrix-netscaler-preauth-command-injection-cve-2026-88771/)
- [https://www.recordedfuture.com/blog/september-2026-cve-landscape](https://www.recordedfuture.com/blog/september-2026-cve-landscape)
- [https://www.greynoise.io/blog/swarming-against-citrix-0-day-exploitation](https://www.greynoise.io/blog/swarming-against-citrix-0-day-exploitation)
- [https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field\_cve=CVE-2026-88771](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88771)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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