Threat landscape
high

Fortinet FortiSIEM: Mehrere Schwachstellen ermöglichen Codeausführung

WID-SEC-2026-3934 · first 14.10.2026 · updated 21.10.2026 · CVSS 9,8

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What it is about

FortiSIEM ist eine SIEM-Lösung (Security Information and Event Management), die eine Echtzeitanalyse von Sicherheitswarnungen ermöglicht. Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Fortinet FortiSIEM ausnutzen, um beliebigen Programmcode auszuführen.

Under what conditions?

Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.

What can happen in the worst case

An attacker could use the vulnerability to

  • beliebigen Programmcode auszuführen

Am I affected?

Affected according to the BSI:

  • Fortinet FortiSIEM <7.5.1
  • Fortinet FortiSIEM 7.5

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

What helps?

Update to at least:

  • Fortinet FortiSIEM 7.5.1

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-2026-106173, CVE-2026-106176

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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