CVE-2026-8451 HIGH

CVE-2026-8451: Insufficient input validation leading to memory overread

Vendor Netscaler
Product ADC
Published June 30, 2026
Last update June 30, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

June 30, 2026 CVE published
June 30, 2026 Record updated