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 ↗

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

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

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