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Citrix is urging customers to patch another critical NetScaler vulnerability after weeks of disclosures involving actively exploited flaws. CVE-2026-107406 affects NetScaler ADC and NetScaler Gateway and can lead to remote code execution (RCE) or denial of service (DoS). It carries Read More …
Death and taxes are said to be the only certainties in life. Perhaps it’s time to add attackers targeting newly discovered critical flaws in Citrix’s NetScaler application delivery controller and gateway products to that grim list. On Sunday, the company Read More …
On March 23, 2026, Citrix published a security advisory for a critical vulnerability affecting their NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway) products. This vulnerability, CVE-2026-3055, which is classified as an out-of-bounds read and holds a Read More …
U.S. cybersecurity agency CISA says hackers are actively exploiting a critical-rated security flaw in a widely used Citrix product, and has given other federal government departments just one day to patch their systems. Security researchers have dubbed the bug “Citrix Read More …
Citrix has released a critical security bulletin addressing a vulnerability affecting NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway). Citrix NetScaler is an all-in-one load balancer, web application firewall (WAF), virtual private network (VPN) gateway and SSL offloading Read More …
The Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI), Multi-State Information Sharing & Analysis Center (MS-ISAC), and Australian Signals Directorate’s Australian Cyber Security Center (ASD’s ACSC) are releasing this joint Cybersecurity Advisory (CSA) to disseminate IOCs, TTPs, Read More …
On Oct. 10, 2023, Citrix released a security bulletin for a sensitive information disclosure vulnerability (CVE-2023-4966) impacting NetScaler ADC and NetScaler Gateway appliances. Mandiant has identified zero-day exploitation of this vulnerability in the wild beginning in late August 2023 as Read More …
On Oct. 10, 2023, Citrix released a security bulletin for a sensitive information disclosure vulnerability (CVE-2023-4966) impacting NetScaler ADC and NetScaler Gateway appliances. Mandiant has identified zero-day exploitation of this vulnerability in the wild beginning in late August 2023. Successful Read More …
The Cybersecurity and Infrastructure Security Agency (CISA) has released an update to a previously published Cybersecurity Advisory (CSA), Threat Actors Exploiting Citrix CVE-2023-3519 to Implant Webshells. The CSA—originally released to warn network defenders of critical infrastructure organizations about threat actors Read More …
Researchers have found an expansive and active threat campaign that exploited a severe Citrix NetScaler vulnerability to backdoor thousands of devices, including those that were subsequently patched. Attackers automated the exploitation of the remote code execution vulnerability, tracked as CVE-2023-3519, Read More …