CVE-2026-3055

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

March 23, 2026

Last Seen

October 9, 2026

API

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Critical Zero-Day Vulnerabilities in Citrix NetScaler Under Active Exploitation80.8

On September 26, 2026, security firm watchTowr reported two unpatched zero-day vulnerabilities in Citrix NetScaler ADC and Gateway appliances, allowing remote code execution (RCE) and actively exploited in the wild. Citrix has confirmed the existence of these vulnerabilities, tracked as CVE-2026-887...

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...

Dutch Intelligence Warns of Chinese Malware Targeting Edge Devices75.5

Dutch intelligence agencies have reported a surge in Chinese cyberattacks targeting edge devices such as routers and firewalls. A newly discovered malware can survive firmware updates and has compromised 20,000 network appliances globally. The Military Intelligence and Security Service (MIVD) and th...

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...