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 parser, allowed for memory disclosure and was actively being probed by multiple threat actors. Organizati… SecurityWeek · Jul 2, 2026 Critical CVE-2026-8451DEHKcitrixbleedsamlmemory disclosure
malware New SharkLoader Malware Deploys Cobalt Strike in StrikeShark Cyberattacks A new cyberattack campaign, dubbed StrikeShark, is utilizing a previously undocumented malware family called SharkLoader to deploy Cobalt Strike Beacon. The campaign has targeted diplomatic organizations in Indonesia and… The Hacker News · Jun 26, 2026 High CVE-2021-26855CVE-2023-32315CVE-2024-36401IDTWHKcobalt strikedll hijackingexploit
threat-intel StrikeShark: investigating a new campaign delivering Cobalt Strike through SharkLoader A new malware family, named SharkLoader, has been identified as part of a broader campaign targeting organizations globally, including diplomatic entities, government organizations, and software development companies. Th… Securelist · Jun 24, 2026 Medium CVE-2021-26855CVE-2023-32315CVE-2024-36401IDTWHKcobalt strikeexploitloader
threat-intel ThreatsDay Bulletin: Claude Chat Abuse, NastyC2 npm Packages, Device-Code Phishing + 25 More Stories This week’s ThreatDay Bulletin highlights several concerning security incidents, including browser extension abuse, macOS malware attacks, AI-powered malware delivery, and a global phishing campaign targeting travel book… The Hacker News · Jun 18, 2026 High CVE-2026-20127CVE-2026-49975USCNJPbrowser extensionsmacos malwareai abuse
threat-intel First VPN Dismantled in Global Takedown Over Use by 25 Ransomware Groups A global operation, dubbed Operation Saffron, led by France and the Netherlands, successfully dismantled the First VPN service, a virtual private network specifically designed for criminal use. The service was utilized b… The Hacker News · May 22, 2026 High USFRNLvpnransomwareanonymity