CVE-2026-39808: Execute unauthorized code or commands in Fortinet FortiSandbox
CVE-2026-39808 is a critical vulnerability in Fortinet FortiSandbox versions 4. 4. 0 through 4. 4. 8 that allows an attacker to execute unauthorized code or commands due to improper neutralization of special elements in OS commands. This vulnerability enables remote code execution without requiring privileges or user interaction. An official fix is available to address this issue. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability in Fortinet FortiSandbox 4.4.0 to 4.4.8 involves improper neutralization of special elements used in OS commands, leading to OS command injection. An attacker can exploit this flaw to execute unauthorized code or commands remotely, potentially compromising confidentiality, integrity, and availability of the affected system. The CVSS v3.1 base score is 9.1, reflecting its critical severity. Fortinet has released an official fix to remediate this vulnerability.
Potential Impact
Successful exploitation allows unauthenticated remote attackers to execute arbitrary code or commands on the vulnerable FortiSandbox system. This can lead to full system compromise, including complete loss of confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Fortinet and should be applied promptly to affected FortiSandbox versions 4.4.0 through 4.4.8. Users should follow Fortinet's patching guidance to remediate this vulnerability. No additional mitigations are specified beyond applying the official patch.
CVE-2026-39808: Execute unauthorized code or commands in Fortinet FortiSandbox
Description
CVE-2026-39808 is a critical vulnerability in Fortinet FortiSandbox versions 4. 4. 0 through 4. 4. 8 that allows an attacker to execute unauthorized code or commands due to improper neutralization of special elements in OS commands. This vulnerability enables remote code execution without requiring privileges or user interaction. An official fix is available to address this issue. There are no known exploits in the wild at this time.
CVSS v3.1
Score 9.1critical
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Fortinet FortiSandbox 4.4.0 to 4.4.8 involves improper neutralization of special elements used in OS commands, leading to OS command injection. An attacker can exploit this flaw to execute unauthorized code or commands remotely, potentially compromising confidentiality, integrity, and availability of the affected system. The CVSS v3.1 base score is 9.1, reflecting its critical severity. Fortinet has released an official fix to remediate this vulnerability.
Potential Impact
Successful exploitation allows unauthenticated remote attackers to execute arbitrary code or commands on the vulnerable FortiSandbox system. This can lead to full system compromise, including complete loss of confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Fortinet and should be applied promptly to affected FortiSandbox versions 4.4.0 through 4.4.8. Users should follow Fortinet's patching guidance to remediate this vulnerability. No additional mitigations are specified beyond applying the official patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- fortinet
- Date Reserved
- 2026-04-07T15:24:03.838Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
Threat ID: 69de650782d89c981fbf0861
Added to database: 4/14/2026, 4:02:15 PM
Last enriched: 4/29/2026, 11:36:34 AM
Last updated: 5/30/2026, 7:36:44 PM
Views: 121
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