CVE-2026-3055

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

March 23, 2026

Last Seen

September 8, 2026

API

Exploited in Wild

—

Ransomware Use

—

Public Exploits

—

Attack Vector

—

Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Critical Memory Overread Vulnerability in Citrix NetScaler Exploited78.0

Citrix NetScaler ADC and Gateway are affected by CVE-2026-3055, a critical vulnerability due to insufficient input validation during SAML authentication, leading to memory overread. Exploitation attempts have surged, with FortiGuard reporting over 2,000 blocked attacks daily, primarily targeting SAM...

Citrix NetScaler Vulnerabilities Enable DoS and Memory Disclosure Attacks74.0

Citrix disclosed six high-severity vulnerabilities in NetScaler ADC and Gateway appliances, including CVE-2026-8451, which allows unauthenticated memory disclosure when configured as a SAML identity provider. Other vulnerabilities can lead to denial-of-service (DoS) attacks, arbitrary file access, a...

Exploitation of Citrix NetScaler Authentication Bypass Vulnerability CVE-2026-1949072.9

On September 4, 2026, it was reported that threat actors are actively targeting a critical authentication bypass vulnerability in Citrix NetScaler, tracked as CVE-2026-19490. This flaw allows unauthenticated attackers to bypass authentication controls on affected NetScaler ADC and Gateway deployment...

Critical Vulnerabilities in Citrix NetScaler ADC and Gateway Require Immediate Patching72.9

Cloud Software Group has identified and patched two critical vulnerabilities in Citrix NetScaler ADC and Gateway products. The vulnerabilities, tracked as CVE-2026-3055, allow unauthenticated remote attackers to exploit memory overreads and potentially leak sensitive data. Organizations using these...