Incorrect global authorization
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.
⚡ Watch FortiSandbox
Get an email when a new FortiSandbox advisory drops — max one per day, one-click unsubscribe.
Details
Original advisory: https://fortiguard.fortinet.com/psirt/FG-IR-26-136
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-260830.73% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 50% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-26083 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Incorrect global authorization
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
More from Fortinet FortiGuard PSIRT
- unknownSecond-Order OS Command Injection via JSON Input on start vnc feature2026-06-09
- unknownImproper access control in API endpoints2026-06-09
- unknownRestricted CLI escape using Lua2026-06-09
- unknownLinux Kernel vulnerability Dirty Frag2026-06-03
- unknownLinux Kernel Vulnerability copy.fail - CVE-2026-314312026-05-13