US cybersecurity agency CISA to Homeland Security, Department of State, Treasury and several other government agencies: You have less than 24 hours to fix …

The US Cybersecurity and Infrastructure Security Agency (CISA) has ordered federal government agencies to urgently secure systems affected by a critical security flaw that is being actively exploited by hackers. The vulnerability, tracked as CVE-2026-50751, affects certain Check Point Remote Access VPN and Mobile Access products and can allow attackers to gain unauthorized remote access to targeted systems. CISA has added the flaw to its Known Exploited Vulnerabilities (KEV) catalog and directed Federal Civilian Executive Branch agencies, including departments such as Homeland Security, State and Treasury, to apply fixes by June 11. The agency warned that the flaw poses a significant risk to federal networks and is already being used in real-world attacks.