Out-of-bounds Read in Netscaler Adc

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

Vulnerability class: Buffer Overflow

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-8451?
CVE-2026-8451 is a vulnerability in Netscaler Adc, classified under Out-of-bounds Read. Published 2026-06-30.
Is CVE-2026-8451 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.