CVE-2026-26083

unknowncovered by 1 sourcefirst seen 2026-05-12

CVSSv3 Score: 9.1 A missing authorization vulnerability [CWE-862] in FortiSandbox, FortiSandbox Cloud and FortiSandbox PaaS WEB UI may allow an unauthenticated attacker to execute unauthorized code or commands via HTTP requests. Revised on 2026-05-12 00:00:00

CSIRTS triage

What: A missing authorization vulnerability allows unauthenticated attackers to execute unauthorized commands.
Who is affected: Unauthenticated users accessing the FortiSandbox WEB UI.
Urgency: Remediation is critical due to the high severity of the vulnerability.
Action: Implement security measures to restrict access until a patch is available.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Low exploitation risk0.73% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 50% of all EPSS-scored CVEs.

Advisory coverage (1)

unknownIncorrect global authorizationfortinet · 2026-05-12

External references

NVD record for CVE-2026-26083

CVE.org record

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