CISA Warns of Citrix NetScaler Authentication Bypass Vulnerability Exploited in Attacks

U.S. CISA adds Cisco, Google Chromium V8, Fortinet, and Citrix NetScaler flaws to its Known Exploited Vulnerabilities catalog

U.S. CISA adds Cisco, Google Chromium V8, Fortinet, and Citrix NetScaler flaws to its Known Exploited Vulnerabilities catalog Pierluigi Paganini September 10, 2026 U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Cisco, Google Chromium V8, Fortinet, and Citrix NetScaler flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added the following vulnerabilities

CISA Warns of Citrix NetScaler Authentication Bypass Vulnerability Exploited in Attacks

CISA added a critical Citrix NetScaler authentication bypass flaw (CVE-2026-19490) to its Known Exploited Vulnerabilities catalog after observing in-the-wild attacks targeting the issue. Federal civilian agencies must apply vendor mitigations by September 12, 2026. CVE-2026-19490 affects Citrix NetScaler ADC and NetScaler Gateway appliances configured as an Authentication, Authorization and Auditing virtual server or as a […]

CISA Adds Four Known Exploited Vulnerabilities to Catalog

CISA Adds Four Known Exploited Vulnerabilities to Catalog ggaylor Sep 09, 2026 Release DateSeptember 09, 2026 DescriptionCISA has added four new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation.  CVE-2025-25249 Fortinet Multiple Products Heap-based Buffer Overflow VulnerabilityCVE-2026-19490 Citrix NetScaler Authentication Bypass Using an Alternate Path or Channel VulnerabilityCVE-2…