CVE-2026-25836: Execute unauthorized code or commands in Fortinet FortiSandbox Cloud
An improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox Cloud 5.0.4, FortiSandbox PaaS 5.0.4 may allow a privileged attacker with super-admin profile and CLI access to execute unauthorized code or commands via crafted HTTP requests.
AI Analysis
Technical Summary
This vulnerability involves improper neutralization of special elements in OS commands within Fortinet FortiSandbox Cloud 5.0.4 and FortiSandbox PaaS 5.0.4. A privileged attacker with super-admin CLI access can exploit this flaw by sending crafted HTTP requests to execute unauthorized code or commands on the affected system. The vulnerability has been assigned CVE-2026-25836 and has a CVSS v3.1 base score of 6.7, reflecting its medium severity. An official patch has been released by Fortinet to address this issue.
Potential Impact
Successful exploitation allows a privileged attacker to execute arbitrary code or commands on the affected FortiSandbox Cloud system, potentially leading to full compromise of confidentiality, integrity, and availability. The attack requires super-admin privileges and CLI access, limiting the threat to highly privileged users. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Fortinet and should be applied promptly to affected FortiSandbox Cloud 5.0.4 instances. Since this is not a cloud-hosted service managed by the vendor, administrators must manually apply the patch. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-25836: Execute unauthorized code or commands in Fortinet FortiSandbox Cloud
Description
An improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox Cloud 5.0.4, FortiSandbox PaaS 5.0.4 may allow a privileged attacker with super-admin profile and CLI access to execute unauthorized code or commands via crafted HTTP requests.
CVSS v3.1
Score 6.7medium
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves improper neutralization of special elements in OS commands within Fortinet FortiSandbox Cloud 5.0.4 and FortiSandbox PaaS 5.0.4. A privileged attacker with super-admin CLI access can exploit this flaw by sending crafted HTTP requests to execute unauthorized code or commands on the affected system. The vulnerability has been assigned CVE-2026-25836 and has a CVSS v3.1 base score of 6.7, reflecting its medium severity. An official patch has been released by Fortinet to address this issue.
Potential Impact
Successful exploitation allows a privileged attacker to execute arbitrary code or commands on the affected FortiSandbox Cloud system, potentially leading to full compromise of confidentiality, integrity, and availability. The attack requires super-admin privileges and CLI access, limiting the threat to highly privileged users. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Fortinet and should be applied promptly to affected FortiSandbox Cloud 5.0.4 instances. Since this is not a cloud-hosted service managed by the vendor, administrators must manually apply the patch. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- fortinet
- Date Reserved
- 2026-02-06T08:48:58.542Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
Threat ID: 69b05635ea502d3aa87d7bed
Added to database: 3/10/2026, 5:34:45 PM
Last enriched: 5/13/2026, 2:24:16 AM
Last updated: 6/12/2026, 12:11:59 PM
Views: 118
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