【Vulnerability Alert】FortiSandbox GUI Has a Critical Security Vulnerability (CVE-2026-107656)

publish date : 2026-10-22 update date : 2026-10-22

Source: Ministry of education information & communication security contingency platform

Publication Number TACERT-ANA-2026101510105959 Publication Time 2026-10-15 10:54:00
Incident Type ANA-Vulnerability Alert Discovery Time 2026-10-15 10:54:00
Impact Level Low  
[Subject]
【Vulnerability Alert】FortiSandbox GUI Has a Critical Security Vulnerability (CVE-2026-107656)
[Content]
Forwarded from TWCERTCC-200-202610-00000017

Fortinet has issued an advisory regarding a critical security vulnerability in FortiSandbox GUI (CVE-2026-107656, CVSS: 9.6). This vulnerability may allow an unauthenticated attacker to bypass authentication through specially crafted HTTP requests.

Information Sharing Level: WHITE (Information content can be publicly disclosed)
[Affected Platform]
FortiSandbox versions 5.0.0 through 5.0.6, FortiSandbox versions 4.4.0 through 4.4.9, FortiSandbox PaaS versions 5.0.0 through 5.0.6, FortiSandbox PaaS version 4.4
[Recommended Actions]
Please update to the following versions: FortiSandbox version 5.0.7 or later (inclusive), FortiSandbox version 4.4.10 or later (inclusive), FortiSandbox PaaS version 5.0.7 or later (inclusive)
[Reference]
1. https://www.twcert.org.tw/tw/cp-169-11281-14cf7-1.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