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 specific configurations are in place, such as using SAML actions and certain gateway or AAA server setups.… The Hacker News · Aug 20, 2026 High CVE-2026-19489CVE-2026-19490CVE-2026-8451authenticationvpnsaml
vulnerability Exploitation Expected for Critical Authentication Bypass Patched in Citrix NetScaler Citrix has announced patches for a critical authentication bypass vulnerability in its NetScaler ADC and NetScaler Gateway products. This flaw, with a CVSS score of 9.3, allows unauthenticated remote attackers to gain ac… SecurityWeek · Aug 20, 2026 Critical CVE-2026-19490CVE-2026-19489patchauthenticationvulnerability
vulnerability Multiples vulnérabilités dans les produits Citrix (20 août 2026) Multiple vulnerabilities have been discovered in Citrix products, including NetScaler ADC and NetScaler Gateway. These flaws could allow attackers to cause a denial-of-service, bypass security policies, and create an uns… CERT-FR · Aug 20, 2026 Medium CVE-2026-19489CVE-2026-19490citrixvulnerabilitysecurity