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Critical 9.6Published Oct 26, 2026

CVE-2026-107656An authentication bypass using an alternate path or channel vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4.0 through 4.4.9, FortiSandbox 4.2 all versions, FortiSandbox P…

Updated under an hour ago ()

Does this affect you?

It affects Fortinet FortiSandbox and 1 other product. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.85%, higher than 58% of scored CVEs.

An authentication bypass using an alternate path or channel vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4.0 through 4.4.9, FortiSandbox 4.2 all versions, FortiSandbox PaaS 5.0.0 through 5.0.6, FortiSandbox PaaS 4.4 all versions, FortiSandbox PaaS 4.2 all versions may allow attacker to execute unauthorized code or commands via crafted HTTP requests

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CVSS
9.6 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
Weakness (CWE)
CWE-288
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
0.85% (percentile 58)
Assigned by
fortinet
NVD analysis
Awaiting Analysis
Record last updated
Oct 27, 2026
First seen by InfoSec Signals
Oct 26, 2026

Affected products

Affected products
Fortinet FortiSandbox
fortinet:fortisandbox
from 5.0.0 through 5.0.6; from 4.4.0 through 4.4.9; from 4.2.1 through 4.2.8
CNA record
Fortinet FortiSandbox PaaS
fortinet:fortisandboxpaas
from 5.0.0 through 5.0.6; from 4.4.0 through 4.4.9; from 4.2.1 through 4.2.8
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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