Pierluigi Paganini
June 24, 2026
FortiBleed exposed valid credentials for 73,000+ Fortinet firewalls, revealing a large-scale access-brokering operation targeting organizations worldwide. In mid-June 2026, researcher Volodymyr “Bob” Diachenko found a live, exposed server containing working login credentials for tens of thousands of Fortinet firewalls, a data leak code-named FortiBleed. The headline number, valid remote-access logins for 73,932 devices across 21,632 […]
Pierluigi Paganini
June 22, 2026
FortiBleed targeted 430,000+ FortiGate devices, harvesting 110M credentials and enabling breaches through large-scale credential theft. A new threat intelligence report from SOCRadar’s Threat Research Unit (STRU), the team that first identified and named the FortiBleed campaign, goes deeper than anything published so far on what is shaping up to be one of the most significant […]
Pierluigi Paganini
June 20, 2026
FortiBleed exposed a massive campaign that made billions of login attempts against Fortinet VPNs, compromising organizations worldwide. FortiBleed wasn’t a targeted hack. It was a factory. A multi-operator crew ran an industrial-scale attack against Fortinet FortiGate SSL VPN devices worldwide, and security researcher Volodymyr “Bob” Diachenko of SecurityDiscovery.com caught them only because they left their […]
Pierluigi Paganini
June 20, 2026
FortiBleed exposed credentials for 74,000 Fortinet devices, with attackers actively exploiting the leak to target systems worldwide. On June 18, CISA issued an emergency alert after reports surfaced that credentials for approximately 74,000 Fortinet firewalls and VPN gateways had been leaked in what researchers are calling FortiBleed. The agency confirmed that threat actors were actively […]
Pierluigi Paganini
June 18, 2026
FortiBleed: Admin Passwords for 75,000 Fortinet Firewalls Are Out in the Wild. Half the Internet-Facing Fortinets on the Planet. Security researcher Bob Diachenko found a server sitting open on the internet containing what appeared to be valid Fortinet VPN credentials, including usernames, email addresses, and plaintext passwords for tens of thousands of organizations. He posted […]
Pierluigi Paganini
June 16, 2026
Three FortiSandbox flaws, including one patched last week, are being actively exploited, highlighting the shrinking window for defenders. Cybersecurity firm Defused Cyber confirmed it’s seen active exploitation of three vulnerabilities in Fortinet FortiSandbox within a 24-hour window. Two of them had patches sitting available since April. The third got fixed last week, which, apparently, wasn’t […]
Pierluigi Paganini
June 11, 2026
Fortinet patched a critical FortiSandbox vulnerability that could let unauthenticated attackers remotely execute commands via crafted HTTP requests. Fortinet released security updates to address several vulnerabilities affecting FortiSandbox, FortiOS, FortiProxy, and FortiPortal. The most severe issue, tracked as CVE-2026-25089 (CVSS score of 9.8), is an OS command injection flaw in FortiSandbox products. The vulnerability could […]
Pierluigi Paganini
May 13, 2026
Fortinet patched critical flaws in FortiSandbox and FortiAuthenticator that could let attackers remotely execute code on unpatched systems. Fortinet addressed two critical vulnerabilities affecting FortiSandbox and FortiAuthenticator. The flaws could allow attackers to execute arbitrary commands or code on unpatched systems. The first vulnerability, tracked as CVE-2026-44277, is an improper access control issue in FortiAuthenticator. […]
Pierluigi Paganini
April 07, 2026
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a flaw in Fortinet FortiClient EMS to its Known Exploited Vulnerabilities catalog The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a flaw in Fortinet FortiClient EMS, tracked as CVE-2026-35616 (CVSS score of 9.1), to its Known Exploited Vulnerabilities (KEV) catalog. This week, Fortinet released out-of-band patches for a […]
Pierluigi Paganini
April 06, 2026
Fortinet issued emergency patches for a critical FortiClient EMS flaw (CVE-2026-35616) actively exploited in the wild. Fortinet released out-of-band patches for a critical FortiClient EMS vulnerability, tracked as CVE-2026-35616 (CVSS 9.1), which is already being exploited in attacks in the wild. The flaw is an improper access control issue that allows attackers to bypass authentication […]
