CVE-2026-107656
Critical
Description
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
SeverityCritical
CVSS9.8
Exploit probability—
Product
Fortinet Fortisandbox
PublishedOct 26, 2026
First seenOct 26, 2026
Weakness typeCWE-288CWE-288
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fortinet fortisandbox | 5.0.0 ≤ v ≤ 5.0.6, 4.4.0 ≤ v ≤ 4.4.9, 4.2.1 ≤ v ≤ 4.2.8 | — |
| fortinet fortisandboxpaas | 5.0.0 ≤ v ≤ 5.0.6, 4.4.0 ≤ v ≤ 4.4.9, 4.2.1 ≤ v ≤ 4.2.8 | — |
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