Status: EPSS-IMMINENT
| Advisory ID: CVE-2026-39813
Key Details
| CVE | CVE-2026-39813 |
| CVSS Score / Version | 9.8 (Critical) / CVSS v3.1 |
| Updated | 2026-09-23 |
| CVSS Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CVSS Prose | attack vector is network; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high. |
| Affected products | Fortinet FortiSandbox |
| Classified as | CWE-24 (Path Traversal: '../filedir') |
| Exploitation prediction (EPSS) | 0.72% probability of exploitation in the next 30 days (52% percentile) -- FIRST.org's EPSS model. |
Affected Products, Subsystems & Sectors
| Subsystems | General OT |
| Sectors | Multiple |
What to Know
A path traversal: '../filedir' vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8 may allow attacker to escalation of privilege via specially crafted HTTP requests.
What to Do
Monitor Fortinet's web page for any future patch releases. See vendor advisory link below.
References