CVE-2026-8451

8.8 highEPSS 0.5%

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

Severity

CVSS 4.0

8.8 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.5 high

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2026-06-30
Modified: 2026-07-01
Record from: the NVD, synced 2026-10-19

Affected

citrix:netscaler_application_delivery_controller
citrix:netscaler_gateway

References

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604

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