Group-IB and NyxLab expose threat actor k0t's large-scale campaign exploiting FortiGate, FortiWeb, and Palo Alto GlobalProtect edge devices to harvest credentials, establish persistent access and exfiltrate data
This vulnerability allows remote attackers to bypass authentication on affected installations of Fortinet FortiSandbox. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.3. The following CVEs are assigned: CVE-2026-107656.
CVSSv3 Score: 9.6 An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] in FortiSandbox GUI may allow a remote unauthenticated attacker to bypass authentication via crafted HTTP requests. Revised on 2026-10-13 00:00:00
CVSSv3 Score: 4.9 A Use of Hard-coded Cryptographic Key [CWE-321] in FortiSandbox and FortiSandbox Cloud API may allow an unauthenticated attacker to access some endpoints via specially crafted HTTP requests Revised on 2026-10-13 00:00:00
The FBI is warning that FortiBleed attacks are still ongoing, targeting exposed Fortinet FortiGate firewalls and SSL VPN gateways and locking out legitimate administrators. [...]
Users of two types of Fortinet hardware should take steps to limit their exposure to a now-global credential stealing campaign, U.S. federal law enforcement says.
Executive summary In April 2026, we at Kaspersky’s Global Emergency Response Team (GERT) responded to a security incident at a manufacturing organization in the Middle East. The threat actor obtained domain admin-equivalent control of the organization’s Active Directory environment and authored a malicious Group Policy Object (GPO) named PAYLOAD, linking it at the domain root. Through that single object, the actor delivered ransom notes, hijacked the desktop wallpaper and lock screen, enforced…
Classification: Critical, Solution: Official Fix, Exploit Maturity: Not Defined, CVSSv3.1: 9.6, CVEs: CVE-2026-84390, Summary: An Inclusion of Sensitive Information in Source Code vulnerability [CWE-540] in FortiMonitorOnSight web portal may allow a remote unauthenticated attacker to bypass authentication via forged or reused JWT
CVSSv3 Score: 9.6 An Inclusion of Sensitive Information in Source Code vulnerability [CWE-540] in FortiMonitorOnSight web portal may allow a remote unauthenticated attacker to bypass authentication via forged or reused JWT Revised on 2026-09-08 00:00:00
Questo CSIRT ha recentemente rilevato la diffusione di un dataset riconducibile a una campagna denominata “FortiBleed”, contenente informazioni associate a dispositivi Fortinet/FortiGate esposti su Internet e utilizzati per l’accesso remoto tramite SSL-VPN.