CVE-2026-26083

EUVD-2026-29550

12.05.2026, 18:16

A missing authorization vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.1, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox Cloud 5.0.2 through 5.0.5, FortiSandbox PaaS 23.4 all versions, FortiSandbox PaaS 23.3 all versions, FortiSandbox PaaS 23.1 all versions, FortiSandbox PaaS 22.2 all versions, FortiSandbox PaaS 22.1 all versions, FortiSandbox PaaS 21.4 all versions, FortiSandbox PaaS 21.3 all versions, FortiSandbox PaaS 5.0.0 through 5.0.1, FortiSandbox PaaS 4.4.5 through 4.4.8 may allow an unauthenticated attacker to execute unauthorized code or commands via HTTP requests.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	9.8 CRITICAL	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 49%

Affected Products (NVD)

Vendor	Product	Version
fortinet	fortisandbox	4.4.0 ≤ 𝑥 < 4.4.9
fortinet	fortisandbox	5.0.0 ≤ 𝑥 < 5.0.2
fortinet	fortisandbox_cloud	5.0.2 ≤ 𝑥 < 5.0.6
fortinet	fortisandbox_cloud	23.1.4245 ≤ 𝑥 ≤ 23.4.4374
fortinet	fortisandbox_cloud	24.1.4436
fortinet	fortisandbox_paas	4.4.5 ≤ 𝑥 < 4.4.9
fortinet	fortisandbox_paas	5.0.0 ≤ 𝑥 < 5.0.2
fortinet	fortisandbox_paas	21.3.4055 ≤ 𝑥 ≤ 23.4.4374

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-862 - Missing Authorization
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-136