FreeRDP: Mehrere Schwachstellen
WID-SEC-2026-4068 · first 21.10.2026 · updated 21.10.2026 · CVSS 8,1
What it is about
FreeRDP ist eine freie Implementierung des Remote Desktop Protocol (RDP). Ein Angreifer kann mehrere Schwachstellen in FreeRDP ausnutzen, um Sicherheitsmaßnahmen zu umgehen, einen Denial-of-Service-Zustand auszulösen, Daten zu manipulieren und offenzulegen sowie möglicherweise beliebigen Code auszuführen.
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
- Sicherheitsmaßnahmen zu umgehen
- einen Denial-of-Service-Zustand auszulösen
- Daten zu manipulieren
- offenzulegen sowie möglicherweise beliebigen Code auszuführen
Am I affected?
Affected according to the BSI:
- Open Source FreeRDP <3.32.2
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Open Source FreeRDP 3.32.2
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)
- GitHub Security Advisory GHSA-2557-79qc-6gfr vom 2026-10-20 github.com
- GitHub Security Advisory GHSA-3pg4-5r42-wxvj vom 2026-10-20 github.com
- GitHub Security Advisory GHSA-4qq4-qwxq-49m8 vom 2026-10-20 github.com
- GitHub Security Advisory GHSA-6wqx-rv3q-vcxp vom 2026-10-20 github.com
- GitHub Security Advisory GHSA-983v-jp34-f3fm vom 2026-10-20 github.com
- GitHub Security Advisory GHSA-cx9c-q4jc-wm6c vom 2026-10-20 github.com
- GitHub Security Advisory GHSA-f53w-3364-jr35 vom 2026-10-20 github.com
- GitHub Security Advisory GHSA-fg78-v8j5-8697 vom 2026-10-20 github.com
- GitHub Security Advisory GHSA-j536-qc58-pmf8 vom 2026-10-20 github.com
- GitHub Security Advisory GHSA-m59q-wm7v-mp57 vom 2026-10-20 github.com
- GitHub Security Advisory GHSA-q82v-5wjg-6h57 vom 2026-10-20 github.com
- GitHub Security Advisory GHSA-qw7w-hhxq-763c vom 2026-10-20 github.com
- GitHub Security Advisory GHSA-x26g-fp9v-c2pg vom 2026-10-20 github.com
- GitHub Security Advisory GHSA-xc85-4mqc-xgcx vom 2026-10-20 github.com
- GitHub Security Advisory GHSA-xjhw-2r55-m95g vom 2026-10-20 github.com
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.