【Vulnerability Alert】A Critical Security Vulnerability Has Been Identified in Fortinet FortiSandbox (CVE-2026-39808)

publish date : 2026-04-17 update date : 2026-04-16

Source: Ministry of education information & communication security contingency platform

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Publication Number TACERT-ANA-2026041504043737 Publication Time 2026/04/15 16:21
Incident Type ANA-Vulnerability Alert Discovery Time 2026/04/15 16:21
Impact Level Low  
[Subject]
【Vulnerability Alert】A Critical Security Vulnerability Has Been Identified in Fortinet FortiSandbox (CVE-2026-39808)
[Content]
Forwarded from TWCERTCC-200-202604-00000011

FortiSandbox is a threat protection solution under Fortinet that can perform dynamic analysis to identify previously unknown cyber threats. Fortinet has disclosed a critical security vulnerability in FortiSandbox (CVE-2026-39808, CVSS: 9.8). This is an operating system command injection vulnerability that may allow an unauthenticated attacker to execute unauthorized code or commands through specially crafted HTTP requests.

(Information Sharing Level: WHITE (Information content can be publicly disclosed)
[Affected Platform]

FortiSandbox versions 4.4.0 through 4.4.8 inclusive

[Recommended Actions]

Please update to FortiSandbox version 4.4.9 or later.

[Reference]
https://www.twcert.org.tw/tw/cp-169-10837-5fade-1.html
(This notification is for informational purposes only and does not constitute a cybersecurity incident).
If you have questions or suggestions regarding this notification, please feel free to contact us.
Ministry of education information & communication security contingency platform
Website: https://info.cert.tanet.edu.tw/
Phone: +886-7-5250211
Internet Phone: 98400000
E-Mail: service@cert.tanet.edu.tw
Organizer: Computer Center