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CISA KEV listing and FCEB patch order for CVE-2026-35616

Public Sector Action
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Happening score
H score 53
1 unique sources, 1 articles

Summary

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CISA added CVE-2026-35616 to the KEV Catalog and ordered FCEB agencies to patch FortiClient EMS by Thursday midnight, April 9. The mandate matters because the flaw is already exploited in the wild and can let attackers bypass authentication and authorization controls. CISA tied the order to BOD 22-01, making the remediation deadline compulsory for the affected federal systems.

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Timeline

  1. 06.04.2026 19:02 2 articles · 3mo ago

    CISA adds CVE-2026-35616 to KEV and orders FCEB patching

    Legal Policy Action Update

    CISA added CVE-2026-35616 to the Known Exploited Vulnerabilities (KEV) Catalog and ordered Federal Civilian Executive Branch (FCEB) agencies to patch FortiClient EMS instances by Thursday midnight, April 9, under Binding Operational Directive (BOD) 22-01.

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  2. 06.04.2026 19:02 1 articles · 3mo ago

    Defused identifies CVE-2026-35616 in FortiClient EMS as a pre-auth access bypass

    Technical Analysis Update

    Defused identified CVE-2026-35616 as a pre-authentication API access bypass in FortiClient Enterprise Management Server (EMS) that can let attackers bypass authentication and authorization controls entirely; Fortinet released emergency hotfixes for FortiClient EMS 7.4.5 and 7.4.6, said unauthenticated attackers can execute code or commands via specially crafted requests, and Shadowserver tracked nearly 2,000 exposed instances with more than 1,400 IPs in the United States and Europe.

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