vulnerability Recent Citrix NetScaler Vulnerability Exploited in the Wild A critical Citrix NetScaler vulnerability (CVE-2026-8452) is currently being actively exploited in the wild, prompting CISA to urge immediate action from government agencies. The vulnerability allows for unauthenticated remote code execution, and threat actors are leveraging it to deploy web shells and conduct reconnai… SecurityWeek · 3d ago High CVE-2026-8452CVE-2026-8451vulnerabilityremote code executionunpatched
vulnerability Critical NetScaler Flaw Can Bypass Authentication on Certain Gateway and AAA Servers Citrix has released security updates to address two critical vulnerabilities in NetScaler ADC and NetScaler Gateway, including a high-severity authentication bypass. These flaws primarily affect deployments where specifi… The Hacker News · Aug 20, 2026 High CVE-2026-19489CVE-2026-19490CVE-2026-8451authenticationvpnsaml
vulnerability New CitrixBleed Vulnerability Exploited Immediately After Public Disclosure A newly discovered CitrixBleed-like vulnerability (CVE-2026-8451) in NetScaler ADC and Gateways was exploited within 24 hours of its public disclosure. The flaw, stemming from an out-of-bounds read issue in the XML parse… SecurityWeek · Jul 2, 2026 Critical CVE-2026-8451DEHKcitrixbleedsamlmemory disclosure
vulnerability Citrix Patches NetScaler Vulnerabilities, Including New ‘HTTP/2 Bomb’ Attack Citrix urges customers to patch NetScaler after fixing six vulnerabilities, including the HTTP/2 Bomb flaw and a high-severity CitrixBleed-style information disclosure bug. The post Citrix Patches NetScaler Vulnerabiliti… SecurityWeek · Jul 1, 2026 High CVE-2026-8451CVE-2026-8452CVE-2026-8655
vulnerability Citrix Patches Six NetScaler Flaws Allowing File Read and Denial-of-Service This article details six newly discovered vulnerabilities in Citrix NetScaler ADC and NetScaler Gateway software, potentially allowing for denial-of-service attacks and arbitrary file reads. The vulnerabilities, ranging… The Hacker News · Jul 1, 2026 High CVE-2026-8451CVE-2026-8452CVE-2026-8655samlhttp2memory