IBM Langflow Desktop 1.0.0 through 1.8.4 Langflow allows an attacker to execute arbitrary commands with the privileges of the process running Langflow.
Date: 2026-04
Affected: langflow/langflow_desktop
Attack vector: rce
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2026-6543
CWE: CWE-94
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 1.0.0 through 1.8.4 Langflow allows an attacker to execute arbitrary commands with the privileges of the process running Langflow. This allows reading sensitive environment variables (API keys, DB credentials), modifying files, or launching further attacks on the internal network.


Mitigations:

Architectural layers (MAESTRO):