Vulnerability 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
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Citrix | Netscaler Application Delivery Controller | < 13.1-37.272 |
| Citrix | Netscaler Gateway | >= 13.1, < 13.1-63.18 |
Related Weaknesses (CWE)
References
FAQ
What is CVE-2026-8451?
CVE-2026-8451 is a vulnerability with a CVSS score of 7.5 (HIGH). 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
How severe is CVE-2026-8451?
CVE-2026-8451 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-8451?
Check the references section above for vendor advisories and patch information. Affected products include: Citrix Netscaler Application Delivery Controller, Citrix Netscaler Gateway.