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CVE-2026-3055

KEV

Citrix NetScaler Out-of-Bounds Read Vulnerability

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Vendor / Project
Citrix
Product
NetScaler
Date added
Mar 30, 2026
Due date
Apr 2, 2026
Known ransomware use
Unknown
CWEs
CWE-125

Description

Citrix NetScaler ADC (formerly Citrix ADC), NetScaler Gateway (formerly Citrix Gateway) and NetScaler ADC FIPS and NDcPP contain an out-of-bounds reads vulnerability when configured as a SAML IDP leading to memory overread.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes