OS command injection on vmimages update feature
CVSSv3 Score: 6.7 An Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability [CWE-78] in FortiSandbox Cloud and FortiSandbox PaaS WEB UI may allow a privileged attacker with super-admin profile and CLI access to execute unauthorized code or commands via crafted HTTP requests. Revised on 2026-03-26 00:00:00
CSIRTS triage
- What
- A vulnerability allows a privileged attacker to execute unauthorized code via crafted HTTP requests.
- Who is affected
- Privileged users with super-admin profile and CLI access.
- Urgency
- Remediation is important due to the potential for unauthorized code execution.
- Action
- Apply security updates and review access controls.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://fortiguard.fortinet.com/psirt/FG-IR-26-096
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.
- Moderate exploitation riskCVE-2026-258361.8% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 76% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-25836 | coverage & exploitation status | NVD · CVE.org |
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