Reference page — cumulative record through Monday, October 5, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-39808
Fortinet FortiSandbox
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N N U H H H 9.1 .4736 98.8 YES
AFFECTED
Product Versions Fixed
FortiSandbox 4.4.0 – —
FortiSandbox PaaS 23.4.4374 – —
TIMELINE
Apr 7 Reserved by fortinet
Apr 14 Published (CNA: fortinet)
Jul 16 Added to CISA KEV, remediation due 2026-07-19
Jul 20 DUE DATE PASSED — CVE-2026-39808 (Fortinet FortiSandbox). CISA remediation deadline was July 19, 2026; still in catalog.
Description
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 or commands via <insert attack vector here>
Lifecycle
Complete event history — 4 events, chronological
| Date | Event | Detail |
|---|
| April 7, 2026 | Reserved | Reserved by fortinet |
| April 14, 2026 | Published | Published (CNA: fortinet) |
| July 16, 2026 | KEV ADDED | Added to CISA KEV, remediation due 2026-07-19 |
| July 20, 2026 | DUE DATE PASSED | DUE DATE PASSED — CVE-2026-39808 (Fortinet FortiSandbox). CISA remediation deadline was July 19, 2026; still in catalog. |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Fortinet | FortiSandbox | — | 4.4.0 | — |
| Fortinet | FortiSandbox PaaS | — | 23.4.4374 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-39808 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 5, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
