Fortinet FortiSandbox: Mehrere Schwachstellen
WID-SEC-2026-1094 · first 15.04.2026 · updated 16.06.2026 · CVSS 9,8
What it is about
FortiSandbox ist eine Advanced Threat Detection Appliance. Ein Angreifer kann mehrere Schwachstellen in Fortinet FortiSandbox ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen, Informationen offenzulegen, Sicherheitsmaßnahmen zu umgehen und Code zur Ausführung zu bringen.
Under what conditions?
The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.
What can happen in the worst case
An attacker could use the vulnerability to
- einen Cross-Site Scripting Angriff durchzuführen
- Informationen offenzulegen
- Sicherheitsmaßnahmen zu umgehen
- Code zur Ausführung zu bringen
Am I affected?
Affected according to the BSI:
- Fortinet FortiSandbox <5.0.5
- Fortinet FortiSandbox <4.4.9
- Fortinet FortiSandbox <5.0.6
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Fortinet FortiSandbox 5.0.5
- Fortinet FortiSandbox 4.4.9
- Fortinet FortiSandbox 5.0.6
Is the vulnerability already being exploited?
- CVE-2026-39808: exploited in the wild according to CISA, in the catalogue since 16.07.2026.
Information and sources
- Original BSI advisory (WID)
- FortiGuard Labs PSIRT Advisory FG-IR-26-100 vom 2026-04-14 www.fortiguard.com
- FortiGuard Labs PSIRT Advisory FG-IR-26-109 vom 2026-04-14 www.fortiguard.com
- FortiGuard Labs PSIRT Advisory FG-IR-26-110 vom 2026-04-14 www.fortiguard.com
- FortiGuard Labs PSIRT Advisory FG-IR-26-112 vom 2026-04-14 www.fortiguard.com
- FortiGuard Labs PSIRT Advisory FG-IR-26-113 vom 2026-04-14 www.fortiguard.com
- FortiGuard Labs PSIRT Advisory FG-IR-26-115 vom 2026-04-14 www.fortiguard.com
- PoC CVE-2026-39808 vom 2026-04-20 github.com
- Bleeping Computer vom 2026-06-15 www.bleepingcomputer.com
CVE: CVE-2025-61886, CVE-2026-39812, CVE-2026-27316, CVE-2026-39808, CVE-2026-25691, CVE-2026-39813
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.