---
title: "CVE-2026-88778: Citrix NetScaler ADC & Gateway - Predictable Value Vulnerability"
description: "Citrix NetScaler ADC and Gateway before 14.1-73.37 and 13.1-64.23 contain a predictable exact value vulnerability caused by reuse of previous values, letting attackers potentially predict sensitive values, exploit requires no special privileges."
url: https://panop.io/threat-heartbeat/CVE-2026-88778/
---

# CVE-2026-88778 Citrix NetScaler ADC & Gateway - Predictable Value Vulnerability

Citrix NetScaler ADC and Gateway before 14.1-73.37 and 13.1-64.23 contain a predictable exact value vulnerability caused by reuse of previous values, letting attackers potentially predict sensitive values, exploit requires no special privileges.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.38% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-88778)

## Details

Type

Predictable Value Vulnerability

Impact

Information Disclosure

CVSS vector

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

Published

27 September 2026

Updated

15 October 2026

Weakness

[CWE-342](https://cwe.mitre.org/data/definitions/342.html)

## Vendor fix

Upgrade to version 14.1-73.37 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-2026-88778](https://nvd.nist.gov/vuln/detail/CVE-2026-88778)
- [https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697096](https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697096)

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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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