An improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox Cloud 5.0.4, FortiSandbox PaaS 5.0.4 may allow a privileged attacker with super-admin profile and CLI access to execute unauthorized code or commands via crafted HTTP requests.
Conclusion & alert: CVE-2026-25836 is rated Moderate Risk (56.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.76%). Core evidence: EPSS rose +1.71% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.05% | 1.76% | +1.71% |
| 2 | 2026-03-19 | 0.16% | 0.05% | -0.10% |
| 3 | 2026-03-16 | — | 0.16% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 3.1 | HIGH |
|
1.2 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| fortinet | fortisandbox_cloud | 5.0.4 | cpe:2.3:a:fortinet:fortisandbox_cloud:5.0.4:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://fortiguard.fortinet.com/psirt/FG-IR-26-096 | Vendor Advisory |