IBM Langflow Desktop 1.6.0 through 1.8.2 Langflow could allow an authenticated user to execute arbitrary code on the system, caused by an insecure default setting which permits ...
Date: 2026-04
Affected: langflow/langflow
Attack vector: deserialization
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2026-3357
CWE: CWE-502
CVSS: 8.8 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

IBM Langflow Desktop 1.6.0 through 1.8.2 Langflow could allow an authenticated user to execute arbitrary code on the system, caused by an insecure default setting which permits the deserialization of untrusted data in the FAISS component.


Mitigations:

Architectural layers (MAESTRO):