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Citrix has introduced Citrix Platform Flex, a secure access platform that combines software, management, and infrastructure to deliver managed desktops, enterprise browsing, and zero-trust access in a single offering. Built around workforce personas, P…
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a flaw in Citrix NetScaler to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a flaw in Citrix NetScaler, tracked as CVE-2026-3055 (CVSS ver. 4.0 score of 9.3), to its Known Exploited Vulnerabilities (KEV) catalog. In March, Citrix issued security updates for two NetScaler vulnerabilities, […]
The critical-severity flaw leaks application memory and can be exploited to obtain authenticated administrative session IDs.
The post Exploitation of Fresh Citrix NetScaler Vulnerability Begins appeared first on SecurityWeek.
Attackers are actively probing a critical Citrix NetScaler flaw (CVE-2026-3055) that can leak sensitive data via a memory overread issue. A critical vulnerability, tracked as CVE-2026-3055 (CVSS score of 9.3), in Citrix NetScaler ADC and Gateway is already being actively probed by attackers. This week, Citrix issued security updates for two NetScaler vulnerabilities, including the critical memory […]
Citrix has fixed two vulnerabilities in NetScaler ADC and NetScaler Gateway, with the more serious flaw (CVE-2026-3055) potentially allowing attackers to extract active session tokens from the memory of affected devices. Anil Shetty, senior VP of Engin…
Citrix warns of a critical NetScaler flaw (CVE-2026-3055) that could leak sensitive data; users are urged to apply security updates immediately. Citrix issued security updates for two NetScaler vulnerabilities, including a critical memory overread, tracked as CVE-2026-3055 (CVSS score of 9.3), that allows unauthenticated attackers to leak sensitive data. The flaw CVE-2026-3055 is an insufficient […]
An out-of-bounds read vulnerability can be exploited remotely without authentication to read sensitive information from memory.
The post Critical Citrix NetScaler Vulnerability Poised for Exploitation, Security Firms Warn appeared first on SecurityWeek.
GreyNoise spotted a dual-mode Citrix Gateway recon campaign using 63K+ residential proxies and AWS to find login panels and enumerate versions. Between Jan 28 and Feb 2, 2026, GreyNoise tracked a coordinated reconnaissance campaign targeting Citrix ADC and NetScaler Gateways. Attackers used over 63,000 residential proxies to discover login panels, then switched to AWS infrastructure […]
Amazon has seen a threat actor exploiting CVE-2025-20337 and CVE-2025-5777, two critical Cisco and Citrix vulnerabilities, as zero-days.
The post Cisco ISE, CitrixBleed 2 Vulnerabilities Exploited as Zero-Days: Amazon appeared first on SecurityWeek.
Amazon warns that an advanced threat actor exploited zero-days in Cisco ISE and Citrix NetScaler to deploy custom malware. Amazon’s threat intelligence researchers spotted an advanced threat actor exploiting two previously undisclosed zero-day flaws in Cisco Identity Service Engine (ISE) and Citrix NetScaler ADC to deliver custom malware. Attackers also exploited multiple undisclosed vulnerabilities. Amazon’s […]