An insufficient session expiration vulnerability [CWE-613] in FortiSandbox & FortiIsolator may allow a remote attacker in possession of an admin session cookie to keep using that admin's session even after the admin user was deleted.

CVE-2025-26466A flaw was found in the OpenSSH package. For each ping packet the SSH server receives, a pong packet is allocated in a memory buffer and stored in a queue of packages. It is only freed when the server/client key exchange has finished. A malicious client may keep sending such packages, leading to an uncontrolled increase in memory consumption on the server side. Consequently, the server may become unavailable, resulting in a denial of service attack.

An exposure of sensitive Information to an unauthorized actor vulnerability [CWE-200] in FortiSandbox may allow an authenticated attacker with at least read-only permission to read sensitive files via HTTP get requests.

A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.4, FortiSandbox 4.2.1 through 4.2.6, FortiSandbox 4.0 all versions, FortiSandbox 3.2 all versions, FortiSandbox 3.1 all versions, FortiSandbox 3.0 all versions, FortiSandbox 2.5 all versions, FortiSandbox 2.4 all versions allows attacker to information disclosure via crafted http requests.