Langflow: Mehrere Schwachstellen
WID-SEC-2026-0747 · first 17.03.2026 · updated 20.03.2026 · CVSS 10,0
What it is about
Langflow bietet eine visuelle Schnittstelle zum Erstellen von LLM-basierten Anwendungen. Ein Angreifer kann mehrere Schwachstellen in Langflow ausnutzen, um Sicherheitsvorkehrungen zu umgehen oder beliebigen Code auszuführen, was weitere Angriffe ermöglicht.
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
- Sicherheitsvorkehrungen zu umgehen oder beliebigen Code auszuführen
- was weitere Angriffe ermöglicht
Am I affected?
Affected according to the BSI:
- Open Source Langflow 1.7.1
- Open Source Langflow <=1.8.1
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Open Source Langflow <=1.8.1
Is the vulnerability already being exploited?
- CVE-2026-33017: exploited in the wild according to CISA, in the catalogue since 25.03.2026.
Information and sources
- Original BSI advisory (WID)
- Langflow-AI GitHub vom 2026-03-16 github.com
- Langflow-AI GitHub vom 2026-03-16 github.com
- Sysdig Blog vom 2026-03-19 www.sysdig.com
CVE: CVE-2026-33053, CVE-2026-33017
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.