What’s Vulnerable › Vulnerabilities
CVE-2026-39812
- Severity: medium (CVSS 4.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-04-14 · updated 2026-10-26
- Weakness: CWE-79
Description
A improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox 4.2 all versions, FortiSandbox PaaS 5.0.0 through 5.0.5, FortiSandbox PaaS 4.4.0 through 4.4.8, FortiSandbox PaaS 4.2 all versions may allow attacker to execute unauthorized code or commands via <insert attack vector here>
Affected products
- Fortinet FortiSandbox: from 4.2.0 through 4.2.8; from 4.4.0 before 4.4.9; from 5.0.0 before 5.0.6 — fixed in 4.4.9, 5.0.6
- Fortinet FortiSandbox Cloud: from 22.2.4134 through 23.1.4260; from 23.3.4329 through 24.1.4436; 5.0.4, 5.0.5
How to fix
Upgrade to a fixed version: Fortinet FortiSandbox 4.4.9, 5.0.6. Check the vendor advisory for mitigations.
References
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