CVE catalog
CVE-2026-39808
A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.8 may allow attacker to execute unauthorized code
- Severity
- Critical · CVSS 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- Exploitation
- CISA Known Exploited Vulnerabilities
- EPSS
- 93.19% · Oct 25, 2026
Fortinet FortiSandbox contains an OS command injection vulnerability that could allow an unauthenticated attacker to execute unauthorized code or commands via crafted HTTP requests.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | fortisandbox | Not reported | Not reported | unknown |
| Cpe | fortisandbox | Not reported | Not reported | unknown |
Fixed-version evidence
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://fortiguard.fortinet.com/psirt/FG-IR-26-100]
- [https://github.com/samu-delucas/CVE-2026-39808]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-39808]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1094.json]
- [https://www.cisa.gov/known-exploited-vulnerabilities-catalog]
- [https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-39808]
[CERT-Bund public advisories] · [CISA Known Exploited Vulnerabilities (OSINT)] · [FIRST EPSS] · [National Vulnerability Database (NVD)]