CVE-2026-8451
High
Description
Insufficient input validation in NetScaler ADC and NetScaler Gateway leading to memory overread if NetScaler ADC or NetScaler Gateway is configured as a SAML IDP
SeverityHigh
CVSS7.5
Exploit probability—
Product
Citrix Netscaler Application Delivery Controller
PublishedJun 30, 2026
First seenJun 30, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- citrix netscaler_application_delivery_controller13.1-37.272, 13.1-63.18, 14.1-72.61 or later
- citrix netscaler_gateway13.1-63.18, 14.1-72.61 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| citrix netscaler_application_delivery_controller | v < 13.1-37.272, 13.1 ≤ v < 13.1-63.18, 14.1 ≤ v < 14.1-72.61, 14.1-66.68 | 13.1-37.272, 13.1-63.18, 14.1-72.61 |
| citrix netscaler_gateway | 13.1 ≤ v < 13.1-63.18, 14.1 ≤ v < 14.1-72.61 | 13.1-63.18, 14.1-72.61 |
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