Threat Intelligence / CVE / CVE-2026-26083

CVE-2026-26083

CVSS 9.1 (CRITICAL) · EPSS 0.1% · Published 2026-05-12

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.

CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

Weaknesses (CWE)

CWE-862

Threats tracking this CVE

Fortinet Critical Unauthenticated RCE — FortiAuthenticator CVE-2026-44277 & FortiSandbox CVE-2026-26083 — CRITICAL

References

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

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