CVE-2026-3055 PUBLISHED

Insufficient input validation leading to memory overread

Assigner: NetScaler
Reserved: 23.02.2026 Published: 23.03.2026 Updated: 24.03.2026

Insufficient input validation in NetScaler ADC and NetScaler Gateway when configured as a SAML IDP leading to memory overread

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
CVSS Score: 9.3

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

CVSS 4.0

Vendor	NetScaler
Product	ADC
Versions	Default: unaffected affected from 14.1 to 66.59 (excl.) affected from 13.1 to 62.23 (excl.) affected from 13.1 FIPS and NDcPP to 37.262 (excl.)

Vendor	NetScaler
Product	Gateway
Versions	Default: unaffected affected from 14.1 to 66.59 (excl.) affected from 13.1 to 62.23 (excl.)