Threat landscape
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Fortinet FortiSandbox: Mehrere Schwachstellen

WID-SEC-2026-0679 · first 11.03.2026 · updated 11.03.2026 · CVSS 7,2

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What it is about

FortiSandbox ist eine Advanced Threat Detection Appliance. Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Fortinet FortiSandbox ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen oder Code auszuführen.

Under what conditions?

Over the network, but only with valid access (login required), for example with stolen credentials or as an insider.

What can happen in the worst case

An attacker could use the vulnerability to

  • einen Cross-Site Scripting Angriff durchzuführen oder Code auszuführen

Am I affected?

Affected according to the BSI:

  • Fortinet FortiSandbox <4.4.8
  • Fortinet FortiSandbox <5.0.3
  • Fortinet FortiSandbox Cloud <5.0.5
  • Fortinet FortiSandbox PaaS <5.0.5

The installed version is usually shown under “Help → About” or in the device’s admin interface.

What helps?

Update to at least:

  • Fortinet FortiSandbox 4.4.8
  • Fortinet FortiSandbox 5.0.3
  • Fortinet FortiSandbox Cloud 5.0.5
  • Fortinet FortiSandbox PaaS 5.0.5

Is the vulnerability already being exploited?

None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.

Information and sources

CVE: CVE-2025-53608, CVE-2026-25836

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.

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