CVE-2026-8451 PUBLISHED

Insufficient input validation leading to memory overread

Assigner: NetScaler
Reserved: 13.05.2026 Published: 30.06.2026 Updated: 30.06.2026

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

Metrics

CVSS 4.0

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
CVSS Score: 8.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	NetScaler
Product	ADC
Versions	Default: unaffected affected from 14.1 to 72.61 (excl.) affected from 13.1 to 63.18 (excl.) affected from 14.1 FIPs to 72.61 (excl.) affected from 13.1 FIPS and NDcPP to 37.272 (excl.)

Vendor	NetScaler
Product	Gateway
Versions	Default: unaffected affected from 14.1 to 72.61 (excl.) affected from 13.1 to 63.18 (excl.)

References

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

Problem Types

awe-125