Resource Exposure Vulnerability in Fortinet FortiSandbox Products
CVE-2026-59835

7.7HIGH

Key Information:

Vendor

Fortinet
Status
Fortisandbox
Vendor
CVE Published:
14 July 2026

What is CVE-2026-59835?

A resource exposure vulnerability in Fortinet's FortiSandbox versions 4.4.3 to 4.4.8 and 5.0.0 to 5.0.2 allows unauthenticated attackers to access the VNC servers of virtual machines conducting scanning operations. This access can lead to unauthorized control over the VMs involved, posing significant security risks to network systems. It is critical for users of the affected FortiSandbox versions to address this vulnerability promptly to safeguard their environments.

Affected Version(s)

FortiSandbox 5.0.0 <= 5.0.2

FortiSandbox 4.4.3 <= 4.4.8

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-145

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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