Vulnerability · Published Sep 8, 2026 · Assigned by fortinet
CVE-2026-26084
High 8.9
In plain English
A high-severity improper access control in FortiSandbox from Fortinet. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).
Severity (CVSS 3.1)8.9High
Exploit odds (30 days)0.4%top 66.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A improper access control vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox Cloud 5.0.4 through 5.0.5, FortiSandbox PaaS 5.0.4 through 5.0.5 may allow attacker to access sensitive information via crafted HTTP requests.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | FortiSandbox PaaS | 5.0.4 – through 5.0.5 |
| Fortinet | FortiSandbox | 5.0.0 – through 5.0.54.4.0 – through 4.4.84.2.1 – through 4.2.8 |
| Fortinet | FortiSandbox Cloud | 5.0.4 – through 5.0.5 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H/E:P/RL:O/RC:C