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CISA Known Exploited Vulnerability

This CVE is actively exploited in the wild. CISA mandates federal agencies to patch immediately.

CVE

CVE-2026-3055

9.3

CVSScritical

Exploitable remotely over the internet · no authentication required.

Description

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

Attack Vector

Network

Privileges Req.

None

User Interaction

None

adcgateway

Updated Sep 18, 2026View on NVD →

S4E scanner

CVE-2026-3055 Scanner

CVE-2026-3055 Scanner - Memory Corruption vulnerability in Citrix NetScaler

Used 2.7k times · 5.9k assets checked · domain, subdomain, ipv4

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