Citrix Systems Workspace App: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff
WID-SEC-2026-3913 · first 14.10.2026 · updated 14.10.2026 · CVSS 5,8
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 lokaler Angreifer kann mehrere Schwachstellen in Citrix Systems Workspace App ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.
Under what conditions?
Only with access to the device or an account on it. Often the second step after a phishing email.
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 <2603.20
- Citrix Systems Workspace App <LTSR 2607 Hotfix 1
- Citrix Systems Workspace App <LTSR 2507 CU3 Hotfix 1
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 2603.20
- Citrix Systems Workspace App LTSR 2607 Hotfix 1
- Citrix Systems Workspace App LTSR 2507 CU3 Hotfix 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
- Original BSI advisory (WID)
- Citrix Security Bulletin vom 2026-10-13 support.citrix.com
CVE: CVE-2026-84419, CVE-2026-84420
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.