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HIGH · 8.6

CVE-2026-59835

A exposure of resource to wrong sphere vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.3 through 4.4.8 may allow an unauthenticated attacker to access the VNC server of VM...

Vulnerability Description

A exposure of resource to wrong sphere vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.3 through 4.4.8 may allow an unauthenticated attacker to access the VNC server of VMs performing scanning via network requests.

CVSS Score

8.6

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
LOW

Affected Products

VendorProductVersions
FortinetFortisandbox>= 4.4.3, < 4.4.9

Related Weaknesses (CWE)

CWE-668

References

FAQ

What is CVE-2026-59835?

CVE-2026-59835 is a vulnerability with a CVSS score of 8.6 (HIGH). A exposure of resource to wrong sphere vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.3 through 4.4.8 may allow an unauthenticated attacker to access the VNC server of VM...

How severe is CVE-2026-59835?

CVE-2026-59835 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-59835?

Check the references section above for vendor advisories and patch information. Affected products include: Fortinet Fortisandbox.