Flowise: Mehrere Schwachstellen
WID-SEC-2026-2703 · first 07.08.2026 · updated 07.08.2026 · CVSS 7,7
What it is about
Flowise ist eine Benutzeroberfläche zur Erstellung von LLMs (Large Language Model). Ein Angreifer kann mehrere Schwachstellen in Flowise ausnutzen, um Sicherheitsvorkehrungen zu umgehen, Informationen offenzulegen und Daten zu manipulieren.
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
- Informationen offenzulegen
- Daten zu manipulieren
Am I affected?
Affected according to the BSI:
- Open Source Flowise <=3.1.4
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
According to the BSI there is no update yet. The vendor notices below name interim protective measures, if any.
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 Advisory Database vom 2026-08-06 github.com
- GitHub Advisory Database vom 2026-08-06 github.com
- GitHub Advisory Database vom 2026-08-06 github.com
CVE: CVE-2026-67621, CVE-2026-67622, CVE-2026-70636
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.