What is CVE-2026-8451?
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
Affected product
See advisory
Remediation Steps
- Apply Citrix security updates to all NetScaler ADC and Gateway instances
- Verify the patched version is running on all edge appliances
- Restrict network access to NetScaler administrative interfaces
- Monitor for unauthorized file access attempts in appliance logs
References
Referenced in our briefings & reports
- Vulnerability Priority Report – Week 5 of June 2026 (June 29 – July 5)
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🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.