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Citrix Systems Workspace App Windows: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff

WID-SEC-2026-3346 · first 14.09.2026 · updated 14.09.2026 · CVSS 5,6

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What it is about

Die Citrix Workspace App ist eine Client Software, die es ermöglicht von zahlreichen Geräten wie Smartphones, Tablets und PCs auf Dokumente, Applikationen und Desktops zuzugreifen. Ein Angreifer kann mehrere Schwachstellen in Citrix Systems Workspace App ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.

Under what conditions?

The BSI does not name any particular preconditions.

What can happen in the worst case

An attacker could use the vulnerability to

  • einen nicht näher spezifizierten Angriff durchzuführen

Am I affected?

Affected according to the BSI:

  • Citrix Systems Workspace App Windows <2603.11
  • Citrix Systems Workspace App Windows <2507.1 LTSR CU3
  • Citrix Systems Workspace App Windows <2607 LTSR

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

What helps?

Update to at least:

  • Citrix Systems Workspace App Windows 2603.11
  • Citrix Systems Workspace App Windows 2507.1 LTSR CU3
  • Citrix Systems Workspace App Windows 2607 LTSR

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-2026-78546, CVE-2026-78547

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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